Home / 20,924.29-28,849.66-14,953.78

Finding the Fourth Proportional to 20,924.29, 28,849.66 and 14,953.78

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Solution

The fourth proportional to 20,924.29, 28,849.66 and 14,953.78 is: 20,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.29 : 28,849.66 = 14,953.78 : x
  2. Step 2: Convert to fraction form
    20,924.29/28,849.66 = 14,953.78/x
  3. Step 3: Cross multiply
    20,924.29x = 28,849.66 × 14,953.78
  4. Step 4: Simplify right side
    20,924.29x = 431,411,468.71
  5. Step 5: Solve for x
    x = 431,411,468.71/20,924.29
  6. Step 6: Final answer
    x = 20,617.74

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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.