Home / 25,259.20-34,888.32-18,535.12

Finding the Fourth Proportional to 25,259.20, 34,888.32 and 18,535.12

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Solution

The fourth proportional to 25,259.20, 34,888.32 and 18,535.12 is: 25,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.20 : 34,888.32 = 18,535.12 : x
  2. Step 2: Convert to fraction form
    25,259.20/34,888.32 = 18,535.12/x
  3. Step 3: Cross multiply
    25,259.20x = 34,888.32 × 18,535.12
  4. Step 4: Simplify right side
    25,259.20x = 646,659,197.80
  5. Step 5: Solve for x
    x = 646,659,197.80/25,259.20
  6. Step 6: Final answer
    x = 25,600.94

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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.