Home / 25,826.42-35,643.02-15,761.61

Finding the Fourth Proportional to 25,826.42, 35,643.02 and 15,761.61

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Solution

The fourth proportional to 25,826.42, 35,643.02 and 15,761.61 is: 21,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.42 : 35,643.02 = 15,761.61 : x
  2. Step 2: Convert to fraction form
    25,826.42/35,643.02 = 15,761.61/x
  3. Step 3: Cross multiply
    25,826.42x = 35,643.02 × 15,761.61
  4. Step 4: Simplify right side
    25,826.42x = 561,791,301.65
  5. Step 5: Solve for x
    x = 561,791,301.65/25,826.42
  6. Step 6: Final answer
    x = 21,752.59

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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.