Home / 28,972.35-39,981.15-17,036.46

Finding the Fourth Proportional to 28,972.35, 39,981.15 and 17,036.46

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Solution

The fourth proportional to 28,972.35, 39,981.15 and 17,036.46 is: 23,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.35 : 39,981.15 = 17,036.46 : x
  2. Step 2: Convert to fraction form
    28,972.35/39,981.15 = 17,036.46/x
  3. Step 3: Cross multiply
    28,972.35x = 39,981.15 × 17,036.46
  4. Step 4: Simplify right side
    28,972.35x = 681,137,262.73
  5. Step 5: Solve for x
    x = 681,137,262.73/28,972.35
  6. Step 6: Final answer
    x = 23,509.91

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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.