Home / 28,167.50-42,223.28-15,693.22

Finding the Fourth Proportional to 28,167.50, 42,223.28 and 15,693.22

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Solution

The fourth proportional to 28,167.50, 42,223.28 and 15,693.22 is: 23,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.50 : 42,223.28 = 15,693.22 : x
  2. Step 2: Convert to fraction form
    28,167.50/42,223.28 = 15,693.22/x
  3. Step 3: Cross multiply
    28,167.50x = 42,223.28 × 15,693.22
  4. Step 4: Simplify right side
    28,167.50x = 662,619,222.16
  5. Step 5: Solve for x
    x = 662,619,222.16/28,167.50
  6. Step 6: Final answer
    x = 23,524.25

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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.