Home / 22,938.60-31,631.46-16,221.16

Finding the Fourth Proportional to 22,938.60, 31,631.46 and 16,221.16

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Solution

The fourth proportional to 22,938.60, 31,631.46 and 16,221.16 is: 22,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.60 : 31,631.46 = 16,221.16 : x
  2. Step 2: Convert to fraction form
    22,938.60/31,631.46 = 16,221.16/x
  3. Step 3: Cross multiply
    22,938.60x = 31,631.46 × 16,221.16
  4. Step 4: Simplify right side
    22,938.60x = 513,098,973.69
  5. Step 5: Solve for x
    x = 513,098,973.69/22,938.60
  6. Step 6: Final answer
    x = 22,368.36

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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.