Home / 26,140.91-36,077.51-15,530.54

Finding the Fourth Proportional to 26,140.91, 36,077.51 and 15,530.54

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Solution

The fourth proportional to 26,140.91, 36,077.51 and 15,530.54 is: 21,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.91 : 36,077.51 = 15,530.54 : x
  2. Step 2: Convert to fraction form
    26,140.91/36,077.51 = 15,530.54/x
  3. Step 3: Cross multiply
    26,140.91x = 36,077.51 × 15,530.54
  4. Step 4: Simplify right side
    26,140.91x = 560,303,070.59
  5. Step 5: Solve for x
    x = 560,303,070.59/26,140.91
  6. Step 6: Final answer
    x = 21,433.96

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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.