Home / 27,814.52-38,384.96-15,240.08

Finding the Fourth Proportional to 27,814.52, 38,384.96 and 15,240.08

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Solution

The fourth proportional to 27,814.52, 38,384.96 and 15,240.08 is: 21,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.52 : 38,384.96 = 15,240.08 : x
  2. Step 2: Convert to fraction form
    27,814.52/38,384.96 = 15,240.08/x
  3. Step 3: Cross multiply
    27,814.52x = 38,384.96 × 15,240.08
  4. Step 4: Simplify right side
    27,814.52x = 584,989,861.20
  5. Step 5: Solve for x
    x = 584,989,861.20/27,814.52
  6. Step 6: Final answer
    x = 21,031.82

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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.