Home / 27,651.08-38,154.06-15,551.53

Finding the Fourth Proportional to 27,651.08, 38,154.06 and 15,551.53

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Solution

The fourth proportional to 27,651.08, 38,154.06 and 15,551.53 is: 21,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.08 : 38,154.06 = 15,551.53 : x
  2. Step 2: Convert to fraction form
    27,651.08/38,154.06 = 15,551.53/x
  3. Step 3: Cross multiply
    27,651.08x = 38,154.06 × 15,551.53
  4. Step 4: Simplify right side
    27,651.08x = 593,353,740.18
  5. Step 5: Solve for x
    x = 593,353,740.18/27,651.08
  6. Step 6: Final answer
    x = 21,458.61

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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.