Home / 26,143.53-36,081.14-15,533.16

Finding the Fourth Proportional to 26,143.53, 36,081.14 and 15,533.16

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Solution

The fourth proportional to 26,143.53, 36,081.14 and 15,533.16 is: 21,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.53 : 36,081.14 = 15,533.16 : x
  2. Step 2: Convert to fraction form
    26,143.53/36,081.14 = 15,533.16/x
  3. Step 3: Cross multiply
    26,143.53x = 36,081.14 × 15,533.16
  4. Step 4: Simplify right side
    26,143.53x = 560,454,042.94
  5. Step 5: Solve for x
    x = 560,454,042.94/26,143.53
  6. Step 6: Final answer
    x = 21,437.58

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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.