Home / 25,479.68-35,160.77-14,149.89

Finding the Fourth Proportional to 25,479.68, 35,160.77 and 14,149.89

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Solution

The fourth proportional to 25,479.68, 35,160.77 and 14,149.89 is: 19,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.68 : 35,160.77 = 14,149.89 : x
  2. Step 2: Convert to fraction form
    25,479.68/35,160.77 = 14,149.89/x
  3. Step 3: Cross multiply
    25,479.68x = 35,160.77 × 14,149.89
  4. Step 4: Simplify right side
    25,479.68x = 497,521,027.82
  5. Step 5: Solve for x
    x = 497,521,027.82/25,479.68
  6. Step 6: Final answer
    x = 19,526.19

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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.