Home / 27,801.08-38,366.10-15,225.56

Finding the Fourth Proportional to 27,801.08, 38,366.10 and 15,225.56

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Solution

The fourth proportional to 27,801.08, 38,366.10 and 15,225.56 is: 21,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.08 : 38,366.10 = 15,225.56 : x
  2. Step 2: Convert to fraction form
    27,801.08/38,366.10 = 15,225.56/x
  3. Step 3: Cross multiply
    27,801.08x = 38,366.10 × 15,225.56
  4. Step 4: Simplify right side
    27,801.08x = 584,145,357.52
  5. Step 5: Solve for x
    x = 584,145,357.52/27,801.08
  6. Step 6: Final answer
    x = 21,011.61

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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.