Home / 45,276.08-67,897.32-15,686

Finding the Fourth Proportional to 45,276.08, 67,897.32 and 15,686

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Solution

The fourth proportional to 45,276.08, 67,897.32 and 15,686 is: 23,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,276.08 : 67,897.32 = 15,686 : x
  2. Step 2: Convert to fraction form
    45,276.08/67,897.32 = 15,686/x
  3. Step 3: Cross multiply
    45,276.08x = 67,897.32 × 15,686
  4. Step 4: Simplify right side
    45,276.08x = 1,065,037,361.52
  5. Step 5: Solve for x
    x = 1,065,037,361.52/45,276.08
  6. Step 6: Final answer
    x = 23,523.18

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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.