Home / 27,139.48-37,452.87-15,808.68

Finding the Fourth Proportional to 27,139.48, 37,452.87 and 15,808.68

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Solution

The fourth proportional to 27,139.48, 37,452.87 and 15,808.68 is: 21,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.48 : 37,452.87 = 15,808.68 : x
  2. Step 2: Convert to fraction form
    27,139.48/37,452.87 = 15,808.68/x
  3. Step 3: Cross multiply
    27,139.48x = 37,452.87 × 15,808.68
  4. Step 4: Simplify right side
    27,139.48x = 592,080,436.91
  5. Step 5: Solve for x
    x = 592,080,436.91/27,139.48
  6. Step 6: Final answer
    x = 21,816.20

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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.