Home / 29,432.64-40,617.36-16,860

Finding the Fourth Proportional to 29,432.64, 40,617.36 and 16,860

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Solution

The fourth proportional to 29,432.64, 40,617.36 and 16,860 is: 23,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,432.64 : 40,617.36 = 16,860 : x
  2. Step 2: Convert to fraction form
    29,432.64/40,617.36 = 16,860/x
  3. Step 3: Cross multiply
    29,432.64x = 40,617.36 × 16,860
  4. Step 4: Simplify right side
    29,432.64x = 684,808,689.60
  5. Step 5: Solve for x
    x = 684,808,689.60/29,432.64
  6. Step 6: Final answer
    x = 23,266.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.