Home / 72,862.20-109,263.15-25,467.30

Finding the Fourth Proportional to 72,862.20, 109,263.15 and 25,467.30

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Solution

The fourth proportional to 72,862.20, 109,263.15 and 25,467.30 is: 38,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,862.20 : 109,263.15 = 25,467.30 : x
  2. Step 2: Convert to fraction form
    72,862.20/109,263.15 = 25,467.30/x
  3. Step 3: Cross multiply
    72,862.20x = 109,263.15 × 25,467.30
  4. Step 4: Simplify right side
    72,862.20x = 2,782,637,420.00
  5. Step 5: Solve for x
    x = 2,782,637,420.00/72,862.20
  6. Step 6: Final answer
    x = 38,190.41

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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.