Home / 25,746.76-38,625.80-14,658.64

Finding the Fourth Proportional to 25,746.76, 38,625.80 and 14,658.64

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Solution

The fourth proportional to 25,746.76, 38,625.80 and 14,658.64 is: 21,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746.76 : 38,625.80 = 14,658.64 : x
  2. Step 2: Convert to fraction form
    25,746.76/38,625.80 = 14,658.64/x
  3. Step 3: Cross multiply
    25,746.76x = 38,625.80 × 14,658.64
  4. Step 4: Simplify right side
    25,746.76x = 566,201,696.91
  5. Step 5: Solve for x
    x = 566,201,696.91/25,746.76
  6. Step 6: Final answer
    x = 21,991.18

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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.