Home / 27,530.40-37,998-18,099.84

Finding the Fourth Proportional to 27,530.40, 37,998 and 18,099.84

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Solution

The fourth proportional to 27,530.40, 37,998 and 18,099.84 is: 24,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.40 : 37,998 = 18,099.84 : x
  2. Step 2: Convert to fraction form
    27,530.40/37,998 = 18,099.84/x
  3. Step 3: Cross multiply
    27,530.40x = 37,998 × 18,099.84
  4. Step 4: Simplify right side
    27,530.40x = 687,757,720.32
  5. Step 5: Solve for x
    x = 687,757,720.32/27,530.40
  6. Step 6: Final answer
    x = 24,981.76

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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.