Home / 22,077.27-30,460.46-20,969.19

Finding the Fourth Proportional to 22,077.27, 30,460.46 and 20,969.19

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Solution

The fourth proportional to 22,077.27, 30,460.46 and 20,969.19 is: 28,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,077.27 : 30,460.46 = 20,969.19 : x
  2. Step 2: Convert to fraction form
    22,077.27/30,460.46 = 20,969.19/x
  3. Step 3: Cross multiply
    22,077.27x = 30,460.46 × 20,969.19
  4. Step 4: Simplify right side
    22,077.27x = 638,731,068.38
  5. Step 5: Solve for x
    x = 638,731,068.38/22,077.27
  6. Step 6: Final answer
    x = 28,931.61

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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.