Home / 26,685.24-36,822.45-15,928.14

Finding the Fourth Proportional to 26,685.24, 36,822.45 and 15,928.14

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Solution

The fourth proportional to 26,685.24, 36,822.45 and 15,928.14 is: 21,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.24 : 36,822.45 = 15,928.14 : x
  2. Step 2: Convert to fraction form
    26,685.24/36,822.45 = 15,928.14/x
  3. Step 3: Cross multiply
    26,685.24x = 36,822.45 × 15,928.14
  4. Step 4: Simplify right side
    26,685.24x = 586,513,138.74
  5. Step 5: Solve for x
    x = 586,513,138.74/26,685.24
  6. Step 6: Final answer
    x = 21,978.93

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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.