Home / 28,505.17-39,347.99-25,515.55

Finding the Fourth Proportional to 28,505.17, 39,347.99 and 25,515.55

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Solution

The fourth proportional to 28,505.17, 39,347.99 and 25,515.55 is: 35,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.17 : 39,347.99 = 25,515.55 : x
  2. Step 2: Convert to fraction form
    28,505.17/39,347.99 = 25,515.55/x
  3. Step 3: Cross multiply
    28,505.17x = 39,347.99 × 25,515.55
  4. Step 4: Simplify right side
    28,505.17x = 1,003,985,606.24
  5. Step 5: Solve for x
    x = 1,003,985,606.24/28,505.17
  6. Step 6: Final answer
    x = 35,221.18

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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.