Home / 28,808.26-39,755.40-15,560.26

Finding the Fourth Proportional to 28,808.26, 39,755.40 and 15,560.26

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Solution

The fourth proportional to 28,808.26, 39,755.40 and 15,560.26 is: 21,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.26 : 39,755.40 = 15,560.26 : x
  2. Step 2: Convert to fraction form
    28,808.26/39,755.40 = 15,560.26/x
  3. Step 3: Cross multiply
    28,808.26x = 39,755.40 × 15,560.26
  4. Step 4: Simplify right side
    28,808.26x = 618,604,360.40
  5. Step 5: Solve for x
    x = 618,604,360.40/28,808.26
  6. Step 6: Final answer
    x = 21,473.16

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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.