Home / 28,614.53-39,488.14-15,868.62

Finding the Fourth Proportional to 28,614.53, 39,488.14 and 15,868.62

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Solution

The fourth proportional to 28,614.53, 39,488.14 and 15,868.62 is: 21,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.53 : 39,488.14 = 15,868.62 : x
  2. Step 2: Convert to fraction form
    28,614.53/39,488.14 = 15,868.62/x
  3. Step 3: Cross multiply
    28,614.53x = 39,488.14 × 15,868.62
  4. Step 4: Simplify right side
    28,614.53x = 626,622,288.17
  5. Step 5: Solve for x
    x = 626,622,288.17/28,614.53
  6. Step 6: Final answer
    x = 21,898.74

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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.