Home / 28,974.87-39,991.55-17,648.10

Finding the Fourth Proportional to 28,974.87, 39,991.55 and 17,648.10

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Solution

The fourth proportional to 28,974.87, 39,991.55 and 17,648.10 is: 24,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.87 : 39,991.55 = 17,648.10 : x
  2. Step 2: Convert to fraction form
    28,974.87/39,991.55 = 17,648.10/x
  3. Step 3: Cross multiply
    28,974.87x = 39,991.55 × 17,648.10
  4. Step 4: Simplify right side
    28,974.87x = 705,774,785.31
  5. Step 5: Solve for x
    x = 705,774,785.31/28,974.87
  6. Step 6: Final answer
    x = 24,358.17

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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.