Home / 26,612.17-36,720.78-15,282.16

Finding the Fourth Proportional to 26,612.17, 36,720.78 and 15,282.16

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Solution

The fourth proportional to 26,612.17, 36,720.78 and 15,282.16 is: 21,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.17 : 36,720.78 = 15,282.16 : x
  2. Step 2: Convert to fraction form
    26,612.17/36,720.78 = 15,282.16/x
  3. Step 3: Cross multiply
    26,612.17x = 36,720.78 × 15,282.16
  4. Step 4: Simplify right side
    26,612.17x = 561,172,835.28
  5. Step 5: Solve for x
    x = 561,172,835.28/26,612.17
  6. Step 6: Final answer
    x = 21,087.08

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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.