Home / 21,095.38-29,045.01-18,575.74

Finding the Fourth Proportional to 21,095.38, 29,045.01 and 18,575.74

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Solution

The fourth proportional to 21,095.38, 29,045.01 and 18,575.74 is: 25,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.38 : 29,045.01 = 18,575.74 : x
  2. Step 2: Convert to fraction form
    21,095.38/29,045.01 = 18,575.74/x
  3. Step 3: Cross multiply
    21,095.38x = 29,045.01 × 18,575.74
  4. Step 4: Simplify right side
    21,095.38x = 539,532,554.06
  5. Step 5: Solve for x
    x = 539,532,554.06/21,095.38
  6. Step 6: Final answer
    x = 25,575.86

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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.