Home / 22,905.40-34,358.10-21,836.20

Finding the Fourth Proportional to 22,905.40, 34,358.10 and 21,836.20

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Solution

The fourth proportional to 22,905.40, 34,358.10 and 21,836.20 is: 32,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.40 : 34,358.10 = 21,836.20 : x
  2. Step 2: Convert to fraction form
    22,905.40/34,358.10 = 21,836.20/x
  3. Step 3: Cross multiply
    22,905.40x = 34,358.10 × 21,836.20
  4. Step 4: Simplify right side
    22,905.40x = 750,250,343.22
  5. Step 5: Solve for x
    x = 750,250,343.22/22,905.40
  6. Step 6: Final answer
    x = 32,754.30

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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.