Home / 27,529.89-37,989.30-15,265.17

Finding the Fourth Proportional to 27,529.89, 37,989.30 and 15,265.17

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Solution

The fourth proportional to 27,529.89, 37,989.30 and 15,265.17 is: 21,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529.89 : 37,989.30 = 15,265.17 : x
  2. Step 2: Convert to fraction form
    27,529.89/37,989.30 = 15,265.17/x
  3. Step 3: Cross multiply
    27,529.89x = 37,989.30 × 15,265.17
  4. Step 4: Simplify right side
    27,529.89x = 579,913,122.68
  5. Step 5: Solve for x
    x = 579,913,122.68/27,529.89
  6. Step 6: Final answer
    x = 21,064.85

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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.