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Finding the Fourth Proportional to 72,264.60, 108,415.80 and 27,892.80

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Solution

The fourth proportional to 72,264.60, 108,415.80 and 27,892.80 is: 41,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,264.60 : 108,415.80 = 27,892.80 : x
  2. Step 2: Convert to fraction form
    72,264.60/108,415.80 = 27,892.80/x
  3. Step 3: Cross multiply
    72,264.60x = 108,415.80 × 27,892.80
  4. Step 4: Simplify right side
    72,264.60x = 3,024,020,226.24
  5. Step 5: Solve for x
    x = 3,024,020,226.24/72,264.60
  6. Step 6: Final answer
    x = 41,846.50

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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.