Home / 27,760.26-38,312.88-15,663.24

Finding the Fourth Proportional to 27,760.26, 38,312.88 and 15,663.24

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Solution

The fourth proportional to 27,760.26, 38,312.88 and 15,663.24 is: 21,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.26 : 38,312.88 = 15,663.24 : x
  2. Step 2: Convert to fraction form
    27,760.26/38,312.88 = 15,663.24/x
  3. Step 3: Cross multiply
    27,760.26x = 38,312.88 × 15,663.24
  4. Step 4: Simplify right side
    27,760.26x = 600,103,834.53
  5. Step 5: Solve for x
    x = 600,103,834.53/27,760.26
  6. Step 6: Final answer
    x = 21,617.37

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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.