Home / 26,008.08-39,011.94-13,521.66

Finding the Fourth Proportional to 26,008.08, 39,011.94 and 13,521.66

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Solution

The fourth proportional to 26,008.08, 39,011.94 and 13,521.66 is: 20,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,008.08 : 39,011.94 = 13,521.66 : x
  2. Step 2: Convert to fraction form
    26,008.08/39,011.94 = 13,521.66/x
  3. Step 3: Cross multiply
    26,008.08x = 39,011.94 × 13,521.66
  4. Step 4: Simplify right side
    26,008.08x = 527,506,188.62
  5. Step 5: Solve for x
    x = 527,506,188.62/26,008.08
  6. Step 6: Final answer
    x = 20,282.40

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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.