Home / 26,029.12-38,952.96-21,294.40

Finding the Fourth Proportional to 26,029.12, 38,952.96 and 21,294.40

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Solution

The fourth proportional to 26,029.12, 38,952.96 and 21,294.40 is: 31,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,029.12 : 38,952.96 = 21,294.40 : x
  2. Step 2: Convert to fraction form
    26,029.12/38,952.96 = 21,294.40/x
  3. Step 3: Cross multiply
    26,029.12x = 38,952.96 × 21,294.40
  4. Step 4: Simplify right side
    26,029.12x = 829,479,911.42
  5. Step 5: Solve for x
    x = 829,479,911.42/26,029.12
  6. Step 6: Final answer
    x = 31,867.38

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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.