Home / 17,345.40-23,927.28-15,103.32

Finding the Fourth Proportional to 17,345.40, 23,927.28 and 15,103.32

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Solution

The fourth proportional to 17,345.40, 23,927.28 and 15,103.32 is: 20,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,345.40 : 23,927.28 = 15,103.32 : x
  2. Step 2: Convert to fraction form
    17,345.40/23,927.28 = 15,103.32/x
  3. Step 3: Cross multiply
    17,345.40x = 23,927.28 × 15,103.32
  4. Step 4: Simplify right side
    17,345.40x = 361,381,366.57
  5. Step 5: Solve for x
    x = 361,381,366.57/17,345.40
  6. Step 6: Final answer
    x = 20,834.42

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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.