Home / 21,434.95-32,157.49-8,948.04

Finding the Fourth Proportional to 21,434.95, 32,157.49 and 8,948.04

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Solution

The fourth proportional to 21,434.95, 32,157.49 and 8,948.04 is: 13,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434.95 : 32,157.49 = 8,948.04 : x
  2. Step 2: Convert to fraction form
    21,434.95/32,157.49 = 8,948.04/x
  3. Step 3: Cross multiply
    21,434.95x = 32,157.49 × 8,948.04
  4. Step 4: Simplify right side
    21,434.95x = 287,746,506.82
  5. Step 5: Solve for x
    x = 287,746,506.82/21,434.95
  6. Step 6: Final answer
    x = 13,424.17

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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.