Home / 25,698.32-35,449.20-15,085.88

Finding the Fourth Proportional to 25,698.32, 35,449.20 and 15,085.88

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Solution

The fourth proportional to 25,698.32, 35,449.20 and 15,085.88 is: 20,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.32 : 35,449.20 = 15,085.88 : x
  2. Step 2: Convert to fraction form
    25,698.32/35,449.20 = 15,085.88/x
  3. Step 3: Cross multiply
    25,698.32x = 35,449.20 × 15,085.88
  4. Step 4: Simplify right side
    25,698.32x = 534,782,377.30
  5. Step 5: Solve for x
    x = 534,782,377.30/25,698.32
  6. Step 6: Final answer
    x = 20,810.01

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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.