Home / 22,529.38-31,089.29-12,457.22

Finding the Fourth Proportional to 22,529.38, 31,089.29 and 12,457.22

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Solution

The fourth proportional to 22,529.38, 31,089.29 and 12,457.22 is: 17,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.38 : 31,089.29 = 12,457.22 : x
  2. Step 2: Convert to fraction form
    22,529.38/31,089.29 = 12,457.22/x
  3. Step 3: Cross multiply
    22,529.38x = 31,089.29 × 12,457.22
  4. Step 4: Simplify right side
    22,529.38x = 387,286,125.17
  5. Step 5: Solve for x
    x = 387,286,125.17/22,529.38
  6. Step 6: Final answer
    x = 17,190.27

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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.