Home / 22,720.40-34,071.86-10,239.92

Finding the Fourth Proportional to 22,720.40, 34,071.86 and 10,239.92

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Solution

The fourth proportional to 22,720.40, 34,071.86 and 10,239.92 is: 15,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.40 : 34,071.86 = 10,239.92 : x
  2. Step 2: Convert to fraction form
    22,720.40/34,071.86 = 10,239.92/x
  3. Step 3: Cross multiply
    22,720.40x = 34,071.86 × 10,239.92
  4. Step 4: Simplify right side
    22,720.40x = 348,893,120.65
  5. Step 5: Solve for x
    x = 348,893,120.65/22,720.40
  6. Step 6: Final answer
    x = 15,355.94

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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.