Home / 27,927.09-38,527.20-15,987.69

Finding the Fourth Proportional to 27,927.09, 38,527.20 and 15,987.69

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Solution

The fourth proportional to 27,927.09, 38,527.20 and 15,987.69 is: 22,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.09 : 38,527.20 = 15,987.69 : x
  2. Step 2: Convert to fraction form
    27,927.09/38,527.20 = 15,987.69/x
  3. Step 3: Cross multiply
    27,927.09x = 38,527.20 × 15,987.69
  4. Step 4: Simplify right side
    27,927.09x = 615,960,930.17
  5. Step 5: Solve for x
    x = 615,960,930.17/27,927.09
  6. Step 6: Final answer
    x = 22,056.04

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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.