Home / 20,841.51-31,239.33-10,295.92

Finding the Fourth Proportional to 20,841.51, 31,239.33 and 10,295.92

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Solution

The fourth proportional to 20,841.51, 31,239.33 and 10,295.92 is: 15,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.51 : 31,239.33 = 10,295.92 : x
  2. Step 2: Convert to fraction form
    20,841.51/31,239.33 = 10,295.92/x
  3. Step 3: Cross multiply
    20,841.51x = 31,239.33 × 10,295.92
  4. Step 4: Simplify right side
    20,841.51x = 321,637,584.07
  5. Step 5: Solve for x
    x = 321,637,584.07/20,841.51
  6. Step 6: Final answer
    x = 15,432.55

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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.