Home / 26,458.88-36,515.13-17,490.80

Finding the Fourth Proportional to 26,458.88, 36,515.13 and 17,490.80

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Solution

The fourth proportional to 26,458.88, 36,515.13 and 17,490.80 is: 24,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.88 : 36,515.13 = 17,490.80 : x
  2. Step 2: Convert to fraction form
    26,458.88/36,515.13 = 17,490.80/x
  3. Step 3: Cross multiply
    26,458.88x = 36,515.13 × 17,490.80
  4. Step 4: Simplify right side
    26,458.88x = 638,678,835.80
  5. Step 5: Solve for x
    x = 638,678,835.80/26,458.88
  6. Step 6: Final answer
    x = 24,138.54

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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.