Home / 26,479.56-36,531.36-15,870.24

Finding the Fourth Proportional to 26,479.56, 36,531.36 and 15,870.24

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Solution

The fourth proportional to 26,479.56, 36,531.36 and 15,870.24 is: 21,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.56 : 36,531.36 = 15,870.24 : x
  2. Step 2: Convert to fraction form
    26,479.56/36,531.36 = 15,870.24/x
  3. Step 3: Cross multiply
    26,479.56x = 36,531.36 × 15,870.24
  4. Step 4: Simplify right side
    26,479.56x = 579,761,450.73
  5. Step 5: Solve for x
    x = 579,761,450.73/26,479.56
  6. Step 6: Final answer
    x = 21,894.68

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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.