Home / 25,858.92-35,689.16-15,793.20

Finding the Fourth Proportional to 25,858.92, 35,689.16 and 15,793.20

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Solution

The fourth proportional to 25,858.92, 35,689.16 and 15,793.20 is: 21,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.92 : 35,689.16 = 15,793.20 : x
  2. Step 2: Convert to fraction form
    25,858.92/35,689.16 = 15,793.20/x
  3. Step 3: Cross multiply
    25,858.92x = 35,689.16 × 15,793.20
  4. Step 4: Simplify right side
    25,858.92x = 563,646,041.71
  5. Step 5: Solve for x
    x = 563,646,041.71/25,858.92
  6. Step 6: Final answer
    x = 21,796.97

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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.