Home / 19,003.74-28,480.82-10,228.36

Finding the Fourth Proportional to 19,003.74, 28,480.82 and 10,228.36

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Solution

The fourth proportional to 19,003.74, 28,480.82 and 10,228.36 is: 15,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.74 : 28,480.82 = 10,228.36 : x
  2. Step 2: Convert to fraction form
    19,003.74/28,480.82 = 10,228.36/x
  3. Step 3: Cross multiply
    19,003.74x = 28,480.82 × 10,228.36
  4. Step 4: Simplify right side
    19,003.74x = 291,312,080.06
  5. Step 5: Solve for x
    x = 291,312,080.06/19,003.74
  6. Step 6: Final answer
    x = 15,329.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.