Home / 27,886.81-41,825.87-9,166.72

Finding the Fourth Proportional to 27,886.81, 41,825.87 and 9,166.72

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Solution

The fourth proportional to 27,886.81, 41,825.87 and 9,166.72 is: 13,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.81 : 41,825.87 = 9,166.72 : x
  2. Step 2: Convert to fraction form
    27,886.81/41,825.87 = 9,166.72/x
  3. Step 3: Cross multiply
    27,886.81x = 41,825.87 × 9,166.72
  4. Step 4: Simplify right side
    27,886.81x = 383,406,030.45
  5. Step 5: Solve for x
    x = 383,406,030.45/27,886.81
  6. Step 6: Final answer
    x = 13,748.65

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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.