Home / 21,070.68-29,053.98-17,230.38

Finding the Fourth Proportional to 21,070.68, 29,053.98 and 17,230.38

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Solution

The fourth proportional to 21,070.68, 29,053.98 and 17,230.38 is: 23,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070.68 : 29,053.98 = 17,230.38 : x
  2. Step 2: Convert to fraction form
    21,070.68/29,053.98 = 17,230.38/x
  3. Step 3: Cross multiply
    21,070.68x = 29,053.98 × 17,230.38
  4. Step 4: Simplify right side
    21,070.68x = 500,611,115.91
  5. Step 5: Solve for x
    x = 500,611,115.91/21,070.68
  6. Step 6: Final answer
    x = 23,758.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.