Home / 22,528.97-31,089.49-12,457.84

Finding the Fourth Proportional to 22,528.97, 31,089.49 and 12,457.84

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Solution

The fourth proportional to 22,528.97, 31,089.49 and 12,457.84 is: 17,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.97 : 31,089.49 = 12,457.84 : x
  2. Step 2: Convert to fraction form
    22,528.97/31,089.49 = 12,457.84/x
  3. Step 3: Cross multiply
    22,528.97x = 31,089.49 × 12,457.84
  4. Step 4: Simplify right side
    22,528.97x = 387,307,892.10
  5. Step 5: Solve for x
    x = 387,307,892.10/22,528.97
  6. Step 6: Final answer
    x = 17,191.55

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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.