Home / 38,626.75-57,966.09-13,666.70

Finding the Fourth Proportional to 38,626.75, 57,966.09 and 13,666.70

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Solution

The fourth proportional to 38,626.75, 57,966.09 and 13,666.70 is: 20,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626.75 : 57,966.09 = 13,666.70 : x
  2. Step 2: Convert to fraction form
    38,626.75/57,966.09 = 13,666.70/x
  3. Step 3: Cross multiply
    38,626.75x = 57,966.09 × 13,666.70
  4. Step 4: Simplify right side
    38,626.75x = 792,205,162.20
  5. Step 5: Solve for x
    x = 792,205,162.20/38,626.75
  6. Step 6: Final answer
    x = 20,509.24

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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.