Home / 25,785.90-38,680.86-10,994.91

Finding the Fourth Proportional to 25,785.90, 38,680.86 and 10,994.91

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Solution

The fourth proportional to 25,785.90, 38,680.86 and 10,994.91 is: 16,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.90 : 38,680.86 = 10,994.91 : x
  2. Step 2: Convert to fraction form
    25,785.90/38,680.86 = 10,994.91/x
  3. Step 3: Cross multiply
    25,785.90x = 38,680.86 × 10,994.91
  4. Step 4: Simplify right side
    25,785.90x = 425,292,574.42
  5. Step 5: Solve for x
    x = 425,292,574.42/25,785.90
  6. Step 6: Final answer
    x = 16,493.22

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Double scale
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1.5x scale

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.