Home / 27,557.40-38,029.06-15,292.68

Finding the Fourth Proportional to 27,557.40, 38,029.06 and 15,292.68

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Solution

The fourth proportional to 27,557.40, 38,029.06 and 15,292.68 is: 21,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.40 : 38,029.06 = 15,292.68 : x
  2. Step 2: Convert to fraction form
    27,557.40/38,029.06 = 15,292.68/x
  3. Step 3: Cross multiply
    27,557.40x = 38,029.06 × 15,292.68
  4. Step 4: Simplify right side
    27,557.40x = 581,566,320.98
  5. Step 5: Solve for x
    x = 581,566,320.98/27,557.40
  6. Step 6: Final answer
    x = 21,103.82

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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.