Home / 27,280.85-37,647.20-15,344.18

Finding the Fourth Proportional to 27,280.85, 37,647.20 and 15,344.18

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Solution

The fourth proportional to 27,280.85, 37,647.20 and 15,344.18 is: 21,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.85 : 37,647.20 = 15,344.18 : x
  2. Step 2: Convert to fraction form
    27,280.85/37,647.20 = 15,344.18/x
  3. Step 3: Cross multiply
    27,280.85x = 37,647.20 × 15,344.18
  4. Step 4: Simplify right side
    27,280.85x = 577,665,263.42
  5. Step 5: Solve for x
    x = 577,665,263.42/27,280.85
  6. Step 6: Final answer
    x = 21,174.76

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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.