Home / 21,947.95-32,929.65-10,862.29

Finding the Fourth Proportional to 21,947.95, 32,929.65 and 10,862.29

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Solution

The fourth proportional to 21,947.95, 32,929.65 and 10,862.29 is: 16,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.95 : 32,929.65 = 10,862.29 : x
  2. Step 2: Convert to fraction form
    21,947.95/32,929.65 = 10,862.29/x
  3. Step 3: Cross multiply
    21,947.95x = 32,929.65 × 10,862.29
  4. Step 4: Simplify right side
    21,947.95x = 357,691,407.90
  5. Step 5: Solve for x
    x = 357,691,407.90/21,947.95
  6. Step 6: Final answer
    x = 16,297.26

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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.