Home / 38,482.15-57,726.52-13,520.03

Finding the Fourth Proportional to 38,482.15, 57,726.52 and 13,520.03

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Solution

The fourth proportional to 38,482.15, 57,726.52 and 13,520.03 is: 20,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.15 : 57,726.52 = 13,520.03 : x
  2. Step 2: Convert to fraction form
    38,482.15/57,726.52 = 13,520.03/x
  3. Step 3: Cross multiply
    38,482.15x = 57,726.52 × 13,520.03
  4. Step 4: Simplify right side
    38,482.15x = 780,464,282.20
  5. Step 5: Solve for x
    x = 780,464,282.20/38,482.15
  6. Step 6: Final answer
    x = 20,281.20

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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.