Home / 25,617.80-38,426.70-25,272.20

Finding the Fourth Proportional to 25,617.80, 38,426.70 and 25,272.20

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Solution

The fourth proportional to 25,617.80, 38,426.70 and 25,272.20 is: 37,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.80 : 38,426.70 = 25,272.20 : x
  2. Step 2: Convert to fraction form
    25,617.80/38,426.70 = 25,272.20/x
  3. Step 3: Cross multiply
    25,617.80x = 38,426.70 × 25,272.20
  4. Step 4: Simplify right side
    25,617.80x = 971,127,247.74
  5. Step 5: Solve for x
    x = 971,127,247.74/25,617.80
  6. Step 6: Final answer
    x = 37,908.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.