Home / 25,601.60-35,320.46-18,903.31

Finding the Fourth Proportional to 25,601.60, 35,320.46 and 18,903.31

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Solution

The fourth proportional to 25,601.60, 35,320.46 and 18,903.31 is: 26,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.60 : 35,320.46 = 18,903.31 : x
  2. Step 2: Convert to fraction form
    25,601.60/35,320.46 = 18,903.31/x
  3. Step 3: Cross multiply
    25,601.60x = 35,320.46 × 18,903.31
  4. Step 4: Simplify right side
    25,601.60x = 667,673,421.90
  5. Step 5: Solve for x
    x = 667,673,421.90/25,601.60
  6. Step 6: Final answer
    x = 26,079.36

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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.