Home / 25,613.77-35,345.91-18,896.98

Finding the Fourth Proportional to 25,613.77, 35,345.91 and 18,896.98

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Solution

The fourth proportional to 25,613.77, 35,345.91 and 18,896.98 is: 26,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.77 : 35,345.91 = 18,896.98 : x
  2. Step 2: Convert to fraction form
    25,613.77/35,345.91 = 18,896.98/x
  3. Step 3: Cross multiply
    25,613.77x = 35,345.91 × 18,896.98
  4. Step 4: Simplify right side
    25,613.77x = 667,930,954.35
  5. Step 5: Solve for x
    x = 667,930,954.35/25,613.77
  6. Step 6: Final answer
    x = 26,077.03

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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.