Home / 27,312.33-40,972.82-9,781.77

Finding the Fourth Proportional to 27,312.33, 40,972.82 and 9,781.77

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Solution

The fourth proportional to 27,312.33, 40,972.82 and 9,781.77 is: 14,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.33 : 40,972.82 = 9,781.77 : x
  2. Step 2: Convert to fraction form
    27,312.33/40,972.82 = 9,781.77/x
  3. Step 3: Cross multiply
    27,312.33x = 40,972.82 × 9,781.77
  4. Step 4: Simplify right side
    27,312.33x = 400,786,652.58
  5. Step 5: Solve for x
    x = 400,786,652.58/27,312.33
  6. Step 6: Final answer
    x = 14,674.20

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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.