Home / 18,026.55-27,041.18-4,878.70

Finding the Fourth Proportional to 18,026.55, 27,041.18 and 4,878.70

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Solution

The fourth proportional to 18,026.55, 27,041.18 and 4,878.70 is: 7,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.55 : 27,041.18 = 4,878.70 : x
  2. Step 2: Convert to fraction form
    18,026.55/27,041.18 = 4,878.70/x
  3. Step 3: Cross multiply
    18,026.55x = 27,041.18 × 4,878.70
  4. Step 4: Simplify right side
    18,026.55x = 131,925,712.87
  5. Step 5: Solve for x
    x = 131,925,712.87/18,026.55
  6. Step 6: Final answer
    x = 7,318.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.