Home / 40,225.75-55,532.21-28,342.14

Finding the Fourth Proportional to 40,225.75, 55,532.21 and 28,342.14

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Solution

The fourth proportional to 40,225.75, 55,532.21 and 28,342.14 is: 39,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.75 : 55,532.21 = 28,342.14 : x
  2. Step 2: Convert to fraction form
    40,225.75/55,532.21 = 28,342.14/x
  3. Step 3: Cross multiply
    40,225.75x = 55,532.21 × 28,342.14
  4. Step 4: Simplify right side
    40,225.75x = 1,573,901,670.33
  5. Step 5: Solve for x
    x = 1,573,901,670.33/40,225.75
  6. Step 6: Final answer
    x = 39,126.72

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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.