Home / 25,706.62-35,521.32-20,055.52

Finding the Fourth Proportional to 25,706.62, 35,521.32 and 20,055.52

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Solution

The fourth proportional to 25,706.62, 35,521.32 and 20,055.52 is: 27,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,706.62 : 35,521.32 = 20,055.52 : x
  2. Step 2: Convert to fraction form
    25,706.62/35,521.32 = 20,055.52/x
  3. Step 3: Cross multiply
    25,706.62x = 35,521.32 × 20,055.52
  4. Step 4: Simplify right side
    25,706.62x = 712,398,543.69
  5. Step 5: Solve for x
    x = 712,398,543.69/25,706.62
  6. Step 6: Final answer
    x = 27,712.65

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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.