Home / 22,735.28-31,374.78-13,302.02

Finding the Fourth Proportional to 22,735.28, 31,374.78 and 13,302.02

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Solution

The fourth proportional to 22,735.28, 31,374.78 and 13,302.02 is: 18,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.28 : 31,374.78 = 13,302.02 : x
  2. Step 2: Convert to fraction form
    22,735.28/31,374.78 = 13,302.02/x
  3. Step 3: Cross multiply
    22,735.28x = 31,374.78 × 13,302.02
  4. Step 4: Simplify right side
    22,735.28x = 417,347,951.06
  5. Step 5: Solve for x
    x = 417,347,951.06/22,735.28
  6. Step 6: Final answer
    x = 18,356.84

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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.