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Finding the Fourth Proportional to 25,979, 35,854.53 and 14,650.82

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Solution

The fourth proportional to 25,979, 35,854.53 and 14,650.82 is: 20,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979 : 35,854.53 = 14,650.82 : x
  2. Step 2: Convert to fraction form
    25,979/35,854.53 = 14,650.82/x
  3. Step 3: Cross multiply
    25,979x = 35,854.53 × 14,650.82
  4. Step 4: Simplify right side
    25,979x = 525,298,265.21
  5. Step 5: Solve for x
    x = 525,298,265.21/25,979
  6. Step 6: Final answer
    x = 20,220.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.