Home / 28,501.31-39,337.24-18,793.70

Finding the Fourth Proportional to 28,501.31, 39,337.24 and 18,793.70

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Solution

The fourth proportional to 28,501.31, 39,337.24 and 18,793.70 is: 25,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.31 : 39,337.24 = 18,793.70 : x
  2. Step 2: Convert to fraction form
    28,501.31/39,337.24 = 18,793.70/x
  3. Step 3: Cross multiply
    28,501.31x = 39,337.24 × 18,793.70
  4. Step 4: Simplify right side
    28,501.31x = 739,292,287.39
  5. Step 5: Solve for x
    x = 739,292,287.39/28,501.31
  6. Step 6: Final answer
    x = 25,938.89

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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.