Home / 26,538.41-36,639.37-18,264.72

Finding the Fourth Proportional to 26,538.41, 36,639.37 and 18,264.72

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Solution

The fourth proportional to 26,538.41, 36,639.37 and 18,264.72 is: 25,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.41 : 36,639.37 = 18,264.72 : x
  2. Step 2: Convert to fraction form
    26,538.41/36,639.37 = 18,264.72/x
  3. Step 3: Cross multiply
    26,538.41x = 36,639.37 × 18,264.72
  4. Step 4: Simplify right side
    26,538.41x = 669,207,879.69
  5. Step 5: Solve for x
    x = 669,207,879.69/26,538.41
  6. Step 6: Final answer
    x = 25,216.58

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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.