Home / 25,758.19-35,539.05-15,686.92

Finding the Fourth Proportional to 25,758.19, 35,539.05 and 15,686.92

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Solution

The fourth proportional to 25,758.19, 35,539.05 and 15,686.92 is: 21,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.19 : 35,539.05 = 15,686.92 : x
  2. Step 2: Convert to fraction form
    25,758.19/35,539.05 = 15,686.92/x
  3. Step 3: Cross multiply
    25,758.19x = 35,539.05 × 15,686.92
  4. Step 4: Simplify right side
    25,758.19x = 557,498,234.23
  5. Step 5: Solve for x
    x = 557,498,234.23/25,758.19
  6. Step 6: Final answer
    x = 21,643.53

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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.