Home / 27,311.59-37,689.11-15,373.30

Finding the Fourth Proportional to 27,311.59, 37,689.11 and 15,373.30

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Solution

The fourth proportional to 27,311.59, 37,689.11 and 15,373.30 is: 21,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.59 : 37,689.11 = 15,373.30 : x
  2. Step 2: Convert to fraction form
    27,311.59/37,689.11 = 15,373.30/x
  3. Step 3: Cross multiply
    27,311.59x = 37,689.11 × 15,373.30
  4. Step 4: Simplify right side
    27,311.59x = 579,405,994.76
  5. Step 5: Solve for x
    x = 579,405,994.76/27,311.59
  6. Step 6: Final answer
    x = 21,214.66

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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.