Home / 25,585.67-38,362.11-17,666.00

Finding the Fourth Proportional to 25,585.67, 38,362.11 and 17,666.00

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Solution

The fourth proportional to 25,585.67, 38,362.11 and 17,666.00 is: 26,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.67 : 38,362.11 = 17,666.00 : x
  2. Step 2: Convert to fraction form
    25,585.67/38,362.11 = 17,666.00/x
  3. Step 3: Cross multiply
    25,585.67x = 38,362.11 × 17,666.00
  4. Step 4: Simplify right side
    25,585.67x = 677,704,921.06
  5. Step 5: Solve for x
    x = 677,704,921.06/25,585.67
  6. Step 6: Final answer
    x = 26,487.67

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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.