Home / 21,998.90-32,979.80-14,959.19

Finding the Fourth Proportional to 21,998.90, 32,979.80 and 14,959.19

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Solution

The fourth proportional to 21,998.90, 32,979.80 and 14,959.19 is: 22,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.90 : 32,979.80 = 14,959.19 : x
  2. Step 2: Convert to fraction form
    21,998.90/32,979.80 = 14,959.19/x
  3. Step 3: Cross multiply
    21,998.90x = 32,979.80 × 14,959.19
  4. Step 4: Simplify right side
    21,998.90x = 493,350,854.67
  5. Step 5: Solve for x
    x = 493,350,854.67/21,998.90
  6. Step 6: Final answer
    x = 22,426.17

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1.5x scale

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.