Home / 15,581.88-23,376.78-4,488.57

Finding the Fourth Proportional to 15,581.88, 23,376.78 and 4,488.57

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Solution

The fourth proportional to 15,581.88, 23,376.78 and 4,488.57 is: 6,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.88 : 23,376.78 = 4,488.57 : x
  2. Step 2: Convert to fraction form
    15,581.88/23,376.78 = 4,488.57/x
  3. Step 3: Cross multiply
    15,581.88x = 23,376.78 × 4,488.57
  4. Step 4: Simplify right side
    15,581.88x = 104,928,313.40
  5. Step 5: Solve for x
    x = 104,928,313.40/15,581.88
  6. Step 6: Final answer
    x = 6,734.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.