Home / 28,988.26-43,494.89-15,658.61

Finding the Fourth Proportional to 28,988.26, 43,494.89 and 15,658.61

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Solution

The fourth proportional to 28,988.26, 43,494.89 and 15,658.61 is: 23,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.26 : 43,494.89 = 15,658.61 : x
  2. Step 2: Convert to fraction form
    28,988.26/43,494.89 = 15,658.61/x
  3. Step 3: Cross multiply
    28,988.26x = 43,494.89 × 15,658.61
  4. Step 4: Simplify right side
    28,988.26x = 681,069,223.74
  5. Step 5: Solve for x
    x = 681,069,223.74/28,988.26
  6. Step 6: Final answer
    x = 23,494.66

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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.