Home / 26,909.28-37,140.72-15,586.56

Finding the Fourth Proportional to 26,909.28, 37,140.72 and 15,586.56

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Solution

The fourth proportional to 26,909.28, 37,140.72 and 15,586.56 is: 21,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.28 : 37,140.72 = 15,586.56 : x
  2. Step 2: Convert to fraction form
    26,909.28/37,140.72 = 15,586.56/x
  3. Step 3: Cross multiply
    26,909.28x = 37,140.72 × 15,586.56
  4. Step 4: Simplify right side
    26,909.28x = 578,896,060.72
  5. Step 5: Solve for x
    x = 578,896,060.72/26,909.28
  6. Step 6: Final answer
    x = 21,512.88

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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.