Home / 26,488.69-36,557.64-15,310.69

Finding the Fourth Proportional to 26,488.69, 36,557.64 and 15,310.69

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Solution

The fourth proportional to 26,488.69, 36,557.64 and 15,310.69 is: 21,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.69 : 36,557.64 = 15,310.69 : x
  2. Step 2: Convert to fraction form
    26,488.69/36,557.64 = 15,310.69/x
  3. Step 3: Cross multiply
    26,488.69x = 36,557.64 × 15,310.69
  4. Step 4: Simplify right side
    26,488.69x = 559,722,601.78
  5. Step 5: Solve for x
    x = 559,722,601.78/26,488.69
  6. Step 6: Final answer
    x = 21,130.63

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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.