Home / 22,028.04-30,390.72-14,478.48

Finding the Fourth Proportional to 22,028.04, 30,390.72 and 14,478.48

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Solution

The fourth proportional to 22,028.04, 30,390.72 and 14,478.48 is: 19,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.04 : 30,390.72 = 14,478.48 : x
  2. Step 2: Convert to fraction form
    22,028.04/30,390.72 = 14,478.48/x
  3. Step 3: Cross multiply
    22,028.04x = 30,390.72 × 14,478.48
  4. Step 4: Simplify right side
    22,028.04x = 440,011,431.71
  5. Step 5: Solve for x
    x = 440,011,431.71/22,028.04
  6. Step 6: Final answer
    x = 19,975.06

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.