Home / 28,422.66-39,223.53-17,092.50

Finding the Fourth Proportional to 28,422.66, 39,223.53 and 17,092.50

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Solution

The fourth proportional to 28,422.66, 39,223.53 and 17,092.50 is: 23,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.66 : 39,223.53 = 17,092.50 : x
  2. Step 2: Convert to fraction form
    28,422.66/39,223.53 = 17,092.50/x
  3. Step 3: Cross multiply
    28,422.66x = 39,223.53 × 17,092.50
  4. Step 4: Simplify right side
    28,422.66x = 670,428,186.53
  5. Step 5: Solve for x
    x = 670,428,186.53/28,422.66
  6. Step 6: Final answer
    x = 23,587.81

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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.