Home / 27,320.08-37,700.44-15,219.92

Finding the Fourth Proportional to 27,320.08, 37,700.44 and 15,219.92

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Solution

The fourth proportional to 27,320.08, 37,700.44 and 15,219.92 is: 21,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.08 : 37,700.44 = 15,219.92 : x
  2. Step 2: Convert to fraction form
    27,320.08/37,700.44 = 15,219.92/x
  3. Step 3: Cross multiply
    27,320.08x = 37,700.44 × 15,219.92
  4. Step 4: Simplify right side
    27,320.08x = 573,797,680.76
  5. Step 5: Solve for x
    x = 573,797,680.76/27,320.08
  6. Step 6: Final answer
    x = 21,002.78

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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.