Home / 25,631.24-38,421.34-17,823.65

Finding the Fourth Proportional to 25,631.24, 38,421.34 and 17,823.65

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Solution

The fourth proportional to 25,631.24, 38,421.34 and 17,823.65 is: 26,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.24 : 38,421.34 = 17,823.65 : x
  2. Step 2: Convert to fraction form
    25,631.24/38,421.34 = 17,823.65/x
  3. Step 3: Cross multiply
    25,631.24x = 38,421.34 × 17,823.65
  4. Step 4: Simplify right side
    25,631.24x = 684,808,280.03
  5. Step 5: Solve for x
    x = 684,808,280.03/25,631.24
  6. Step 6: Final answer
    x = 26,717.72

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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.