Home / 25,690.29-35,448.48-15,613.35

Finding the Fourth Proportional to 25,690.29, 35,448.48 and 15,613.35

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Solution

The fourth proportional to 25,690.29, 35,448.48 and 15,613.35 is: 21,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.29 : 35,448.48 = 15,613.35 : x
  2. Step 2: Convert to fraction form
    25,690.29/35,448.48 = 15,613.35/x
  3. Step 3: Cross multiply
    25,690.29x = 35,448.48 × 15,613.35
  4. Step 4: Simplify right side
    25,690.29x = 553,469,525.21
  5. Step 5: Solve for x
    x = 553,469,525.21/25,690.29
  6. Step 6: Final answer
    x = 21,543.92

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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.