Home / 25,666.56-38,488.32-11,808

Finding the Fourth Proportional to 25,666.56, 38,488.32 and 11,808

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Solution

The fourth proportional to 25,666.56, 38,488.32 and 11,808 is: 17,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.56 : 38,488.32 = 11,808 : x
  2. Step 2: Convert to fraction form
    25,666.56/38,488.32 = 11,808/x
  3. Step 3: Cross multiply
    25,666.56x = 38,488.32 × 11,808
  4. Step 4: Simplify right side
    25,666.56x = 454,470,082.56
  5. Step 5: Solve for x
    x = 454,470,082.56/25,666.56
  6. Step 6: Final answer
    x = 17,706.70

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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.