Home / 84,425.32-126,575.06-28,232.20

Finding the Fourth Proportional to 84,425.32, 126,575.06 and 28,232.20

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Solution

The fourth proportional to 84,425.32, 126,575.06 and 28,232.20 is: 42,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,425.32 : 126,575.06 = 28,232.20 : x
  2. Step 2: Convert to fraction form
    84,425.32/126,575.06 = 28,232.20/x
  3. Step 3: Cross multiply
    84,425.32x = 126,575.06 × 28,232.20
  4. Step 4: Simplify right side
    84,425.32x = 3,573,492,408.93
  5. Step 5: Solve for x
    x = 3,573,492,408.93/84,425.32
  6. Step 6: Final answer
    x = 42,327.26

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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.