Home / 27,966.60-41,966.10-10,438.20

Finding the Fourth Proportional to 27,966.60, 41,966.10 and 10,438.20

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Solution

The fourth proportional to 27,966.60, 41,966.10 and 10,438.20 is: 15,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.60 : 41,966.10 = 10,438.20 : x
  2. Step 2: Convert to fraction form
    27,966.60/41,966.10 = 10,438.20/x
  3. Step 3: Cross multiply
    27,966.60x = 41,966.10 × 10,438.20
  4. Step 4: Simplify right side
    27,966.60x = 438,050,545.02
  5. Step 5: Solve for x
    x = 438,050,545.02/27,966.60
  6. Step 6: Final answer
    x = 15,663.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.