Home / 21,434.49-32,157-17,311.86

Finding the Fourth Proportional to 21,434.49, 32,157 and 17,311.86

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Solution

The fourth proportional to 21,434.49, 32,157 and 17,311.86 is: 25,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434.49 : 32,157 = 17,311.86 : x
  2. Step 2: Convert to fraction form
    21,434.49/32,157 = 17,311.86/x
  3. Step 3: Cross multiply
    21,434.49x = 32,157 × 17,311.86
  4. Step 4: Simplify right side
    21,434.49x = 556,697,482.02
  5. Step 5: Solve for x
    x = 556,697,482.02/21,434.49
  6. Step 6: Final answer
    x = 25,972.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.