Home / 26,809.85-36,991.64-15,476.88

Finding the Fourth Proportional to 26,809.85, 36,991.64 and 15,476.88

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Solution

The fourth proportional to 26,809.85, 36,991.64 and 15,476.88 is: 21,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.85 : 36,991.64 = 15,476.88 : x
  2. Step 2: Convert to fraction form
    26,809.85/36,991.64 = 15,476.88/x
  3. Step 3: Cross multiply
    26,809.85x = 36,991.64 × 15,476.88
  4. Step 4: Simplify right side
    26,809.85x = 572,515,095.90
  5. Step 5: Solve for x
    x = 572,515,095.90/26,809.85
  6. Step 6: Final answer
    x = 21,354.66

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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.