Home / 15,524.52-23,279.78-4,428.57

Finding the Fourth Proportional to 15,524.52, 23,279.78 and 4,428.57

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Solution

The fourth proportional to 15,524.52, 23,279.78 and 4,428.57 is: 6,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.52 : 23,279.78 = 4,428.57 : x
  2. Step 2: Convert to fraction form
    15,524.52/23,279.78 = 4,428.57/x
  3. Step 3: Cross multiply
    15,524.52x = 23,279.78 × 4,428.57
  4. Step 4: Simplify right side
    15,524.52x = 103,095,996.77
  5. Step 5: Solve for x
    x = 103,095,996.77/15,524.52
  6. Step 6: Final answer
    x = 6,640.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.