Home / 22,892.16-31,582.08-13,445.76

Finding the Fourth Proportional to 22,892.16, 31,582.08 and 13,445.76

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Solution

The fourth proportional to 22,892.16, 31,582.08 and 13,445.76 is: 18,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,892.16 : 31,582.08 = 13,445.76 : x
  2. Step 2: Convert to fraction form
    22,892.16/31,582.08 = 13,445.76/x
  3. Step 3: Cross multiply
    22,892.16x = 31,582.08 × 13,445.76
  4. Step 4: Simplify right side
    22,892.16x = 424,645,067.98
  5. Step 5: Solve for x
    x = 424,645,067.98/22,892.16
  6. Step 6: Final answer
    x = 18,549.80

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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.