Home / 20,756.52-28,641.06-11,802.24

Finding the Fourth Proportional to 20,756.52, 28,641.06 and 11,802.24

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Solution

The fourth proportional to 20,756.52, 28,641.06 and 11,802.24 is: 16,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756.52 : 28,641.06 = 11,802.24 : x
  2. Step 2: Convert to fraction form
    20,756.52/28,641.06 = 11,802.24/x
  3. Step 3: Cross multiply
    20,756.52x = 28,641.06 × 11,802.24
  4. Step 4: Simplify right side
    20,756.52x = 338,028,663.97
  5. Step 5: Solve for x
    x = 338,028,663.97/20,756.52
  6. Step 6: Final answer
    x = 16,285.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.