Home / 22,688.39-31,282.85-14,727.71

Finding the Fourth Proportional to 22,688.39, 31,282.85 and 14,727.71

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Solution

The fourth proportional to 22,688.39, 31,282.85 and 14,727.71 is: 20,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.39 : 31,282.85 = 14,727.71 : x
  2. Step 2: Convert to fraction form
    22,688.39/31,282.85 = 14,727.71/x
  3. Step 3: Cross multiply
    22,688.39x = 31,282.85 × 14,727.71
  4. Step 4: Simplify right side
    22,688.39x = 460,724,512.72
  5. Step 5: Solve for x
    x = 460,724,512.72/22,688.39
  6. Step 6: Final answer
    x = 20,306.62

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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.