Home / 25,670.72-38,515.62-15,695.91

Finding the Fourth Proportional to 25,670.72, 38,515.62 and 15,695.91

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Solution

The fourth proportional to 25,670.72, 38,515.62 and 15,695.91 is: 23,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.72 : 38,515.62 = 15,695.91 : x
  2. Step 2: Convert to fraction form
    25,670.72/38,515.62 = 15,695.91/x
  3. Step 3: Cross multiply
    25,670.72x = 38,515.62 × 15,695.91
  4. Step 4: Simplify right side
    25,670.72x = 604,537,705.11
  5. Step 5: Solve for x
    x = 604,537,705.11/25,670.72
  6. Step 6: Final answer
    x = 23,549.70

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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.