Home / 28,462.89-39,287.13-16,531.59

Finding the Fourth Proportional to 28,462.89, 39,287.13 and 16,531.59

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Solution

The fourth proportional to 28,462.89, 39,287.13 and 16,531.59 is: 22,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.89 : 39,287.13 = 16,531.59 : x
  2. Step 2: Convert to fraction form
    28,462.89/39,287.13 = 16,531.59/x
  3. Step 3: Cross multiply
    28,462.89x = 39,287.13 × 16,531.59
  4. Step 4: Simplify right side
    28,462.89x = 649,478,725.44
  5. Step 5: Solve for x
    x = 649,478,725.44/28,462.89
  6. Step 6: Final answer
    x = 22,818.44

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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.