Home / 25,859.60-35,690.16-15,793.92

Finding the Fourth Proportional to 25,859.60, 35,690.16 and 15,793.92

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Solution

The fourth proportional to 25,859.60, 35,690.16 and 15,793.92 is: 21,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.60 : 35,690.16 = 15,793.92 : x
  2. Step 2: Convert to fraction form
    25,859.60/35,690.16 = 15,793.92/x
  3. Step 3: Cross multiply
    25,859.60x = 35,690.16 × 15,793.92
  4. Step 4: Simplify right side
    25,859.60x = 563,687,531.83
  5. Step 5: Solve for x
    x = 563,687,531.83/25,859.60
  6. Step 6: Final answer
    x = 21,798.00

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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.