Home / 26,228.64-39,342.72-10,642.56

Finding the Fourth Proportional to 26,228.64, 39,342.72 and 10,642.56

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Solution

The fourth proportional to 26,228.64, 39,342.72 and 10,642.56 is: 15,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.64 : 39,342.72 = 10,642.56 : x
  2. Step 2: Convert to fraction form
    26,228.64/39,342.72 = 10,642.56/x
  3. Step 3: Cross multiply
    26,228.64x = 39,342.72 × 10,642.56
  4. Step 4: Simplify right side
    26,228.64x = 418,707,258.16
  5. Step 5: Solve for x
    x = 418,707,258.16/26,228.64
  6. Step 6: Final answer
    x = 15,963.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.