Home / 26,479.31-39,706.84-15,810.52

Finding the Fourth Proportional to 26,479.31, 39,706.84 and 15,810.52

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Solution

The fourth proportional to 26,479.31, 39,706.84 and 15,810.52 is: 23,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.31 : 39,706.84 = 15,810.52 : x
  2. Step 2: Convert to fraction form
    26,479.31/39,706.84 = 15,810.52/x
  3. Step 3: Cross multiply
    26,479.31x = 39,706.84 × 15,810.52
  4. Step 4: Simplify right side
    26,479.31x = 627,785,671.23
  5. Step 5: Solve for x
    x = 627,785,671.23/26,479.31
  6. Step 6: Final answer
    x = 23,708.53

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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.