Home / 27,559.12-38,031.78-14,983.88

Finding the Fourth Proportional to 27,559.12, 38,031.78 and 14,983.88

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Solution

The fourth proportional to 27,559.12, 38,031.78 and 14,983.88 is: 20,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.12 : 38,031.78 = 14,983.88 : x
  2. Step 2: Convert to fraction form
    27,559.12/38,031.78 = 14,983.88/x
  3. Step 3: Cross multiply
    27,559.12x = 38,031.78 × 14,983.88
  4. Step 4: Simplify right side
    27,559.12x = 569,863,627.71
  5. Step 5: Solve for x
    x = 569,863,627.71/27,559.12
  6. Step 6: Final answer
    x = 20,677.86

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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.