Home / 26,393.97-36,417.83-15,633.48

Finding the Fourth Proportional to 26,393.97, 36,417.83 and 15,633.48

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Solution

The fourth proportional to 26,393.97, 36,417.83 and 15,633.48 is: 21,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.97 : 36,417.83 = 15,633.48 : x
  2. Step 2: Convert to fraction form
    26,393.97/36,417.83 = 15,633.48/x
  3. Step 3: Cross multiply
    26,393.97x = 36,417.83 × 15,633.48
  4. Step 4: Simplify right side
    26,393.97x = 569,337,416.95
  5. Step 5: Solve for x
    x = 569,337,416.95/26,393.97
  6. Step 6: Final answer
    x = 21,570.74

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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.