Home / 22,905.80-34,358.70-18,240.20

Finding the Fourth Proportional to 22,905.80, 34,358.70 and 18,240.20

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Solution

The fourth proportional to 22,905.80, 34,358.70 and 18,240.20 is: 27,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.80 : 34,358.70 = 18,240.20 : x
  2. Step 2: Convert to fraction form
    22,905.80/34,358.70 = 18,240.20/x
  3. Step 3: Cross multiply
    22,905.80x = 34,358.70 × 18,240.20
  4. Step 4: Simplify right side
    22,905.80x = 626,709,559.74
  5. Step 5: Solve for x
    x = 626,709,559.74/22,905.80
  6. Step 6: Final answer
    x = 27,360.30

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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.