Home / 22,717.55-31,282.80-16,332.90

Finding the Fourth Proportional to 22,717.55, 31,282.80 and 16,332.90

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Solution

The fourth proportional to 22,717.55, 31,282.80 and 16,332.90 is: 22,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.55 : 31,282.80 = 16,332.90 : x
  2. Step 2: Convert to fraction form
    22,717.55/31,282.80 = 16,332.90/x
  3. Step 3: Cross multiply
    22,717.55x = 31,282.80 × 16,332.90
  4. Step 4: Simplify right side
    22,717.55x = 510,938,844.12
  5. Step 5: Solve for x
    x = 510,938,844.12/22,717.55
  6. Step 6: Final answer
    x = 22,490.94

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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.