Home / 27,338.76-37,727.50-15,402.10

Finding the Fourth Proportional to 27,338.76, 37,727.50 and 15,402.10

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Solution

The fourth proportional to 27,338.76, 37,727.50 and 15,402.10 is: 21,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.76 : 37,727.50 = 15,402.10 : x
  2. Step 2: Convert to fraction form
    27,338.76/37,727.50 = 15,402.10/x
  3. Step 3: Cross multiply
    27,338.76x = 37,727.50 × 15,402.10
  4. Step 4: Simplify right side
    27,338.76x = 581,082,594.93
  5. Step 5: Solve for x
    x = 581,082,594.93/27,338.76
  6. Step 6: Final answer
    x = 21,254.90

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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.