Home / 28,808.24-39,755.40-15,560.24

Finding the Fourth Proportional to 28,808.24, 39,755.40 and 15,560.24

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Solution

The fourth proportional to 28,808.24, 39,755.40 and 15,560.24 is: 21,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.24 : 39,755.40 = 15,560.24 : x
  2. Step 2: Convert to fraction form
    28,808.24/39,755.40 = 15,560.24/x
  3. Step 3: Cross multiply
    28,808.24x = 39,755.40 × 15,560.24
  4. Step 4: Simplify right side
    28,808.24x = 618,603,565.30
  5. Step 5: Solve for x
    x = 618,603,565.30/28,808.24
  6. Step 6: Final answer
    x = 21,473.15

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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.