Home / 26,856.28-37,061.22-15,525.64

Finding the Fourth Proportional to 26,856.28, 37,061.22 and 15,525.64

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Solution

The fourth proportional to 26,856.28, 37,061.22 and 15,525.64 is: 21,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.28 : 37,061.22 = 15,525.64 : x
  2. Step 2: Convert to fraction form
    26,856.28/37,061.22 = 15,525.64/x
  3. Step 3: Cross multiply
    26,856.28x = 37,061.22 × 15,525.64
  4. Step 4: Simplify right side
    26,856.28x = 575,399,159.68
  5. Step 5: Solve for x
    x = 575,399,159.68/26,856.28
  6. Step 6: Final answer
    x = 21,425.13

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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.