Home / 21,959.86-32,875.53-13,614.70

Finding the Fourth Proportional to 21,959.86, 32,875.53 and 13,614.70

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Solution

The fourth proportional to 21,959.86, 32,875.53 and 13,614.70 is: 20,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959.86 : 32,875.53 = 13,614.70 : x
  2. Step 2: Convert to fraction form
    21,959.86/32,875.53 = 13,614.70/x
  3. Step 3: Cross multiply
    21,959.86x = 32,875.53 × 13,614.70
  4. Step 4: Simplify right side
    21,959.86x = 447,590,478.29
  5. Step 5: Solve for x
    x = 447,590,478.29/21,959.86
  6. Step 6: Final answer
    x = 20,382.21

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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.