Home / 84,447.32-126,608.06-28,254.20

Finding the Fourth Proportional to 84,447.32, 126,608.06 and 28,254.20

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Solution

The fourth proportional to 84,447.32, 126,608.06 and 28,254.20 is: 42,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,447.32 : 126,608.06 = 28,254.20 : x
  2. Step 2: Convert to fraction form
    84,447.32/126,608.06 = 28,254.20/x
  3. Step 3: Cross multiply
    84,447.32x = 126,608.06 × 28,254.20
  4. Step 4: Simplify right side
    84,447.32x = 3,577,209,448.85
  5. Step 5: Solve for x
    x = 3,577,209,448.85/84,447.32
  6. Step 6: Final answer
    x = 42,360.25

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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.