Home / 25,077.80-37,616.70-19,440.20

Finding the Fourth Proportional to 25,077.80, 37,616.70 and 19,440.20

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Solution

The fourth proportional to 25,077.80, 37,616.70 and 19,440.20 is: 29,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,077.80 : 37,616.70 = 19,440.20 : x
  2. Step 2: Convert to fraction form
    25,077.80/37,616.70 = 19,440.20/x
  3. Step 3: Cross multiply
    25,077.80x = 37,616.70 × 19,440.20
  4. Step 4: Simplify right side
    25,077.80x = 731,276,171.34
  5. Step 5: Solve for x
    x = 731,276,171.34/25,077.80
  6. Step 6: Final answer
    x = 29,160.30

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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.