Home / 18,868.77-26,065.45-17,872.32

Finding the Fourth Proportional to 18,868.77, 26,065.45 and 17,872.32

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Solution

The fourth proportional to 18,868.77, 26,065.45 and 17,872.32 is: 24,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.77 : 26,065.45 = 17,872.32 : x
  2. Step 2: Convert to fraction form
    18,868.77/26,065.45 = 17,872.32/x
  3. Step 3: Cross multiply
    18,868.77x = 26,065.45 × 17,872.32
  4. Step 4: Simplify right side
    18,868.77x = 465,850,063.34
  5. Step 5: Solve for x
    x = 465,850,063.34/18,868.77
  6. Step 6: Final answer
    x = 24,688.95

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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.