Home / 21,652.26-32,478.39-17,715.66

Finding the Fourth Proportional to 21,652.26, 32,478.39 and 17,715.66

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Solution

The fourth proportional to 21,652.26, 32,478.39 and 17,715.66 is: 26,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.26 : 32,478.39 = 17,715.66 : x
  2. Step 2: Convert to fraction form
    21,652.26/32,478.39 = 17,715.66/x
  3. Step 3: Cross multiply
    21,652.26x = 32,478.39 × 17,715.66
  4. Step 4: Simplify right side
    21,652.26x = 575,376,114.59
  5. Step 5: Solve for x
    x = 575,376,114.59/21,652.26
  6. Step 6: Final answer
    x = 26,573.49

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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.