Home / 20,929.95-28,883.52-11,498.52

Finding the Fourth Proportional to 20,929.95, 28,883.52 and 11,498.52

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Solution

The fourth proportional to 20,929.95, 28,883.52 and 11,498.52 is: 15,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,929.95 : 28,883.52 = 11,498.52 : x
  2. Step 2: Convert to fraction form
    20,929.95/28,883.52 = 11,498.52/x
  3. Step 3: Cross multiply
    20,929.95x = 28,883.52 × 11,498.52
  4. Step 4: Simplify right side
    20,929.95x = 332,117,732.39
  5. Step 5: Solve for x
    x = 332,117,732.39/20,929.95
  6. Step 6: Final answer
    x = 15,868.06

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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.