Home / 27,421.92-41,132.40-8,953.92

Finding the Fourth Proportional to 27,421.92, 41,132.40 and 8,953.92

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Solution

The fourth proportional to 27,421.92, 41,132.40 and 8,953.92 is: 13,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.92 : 41,132.40 = 8,953.92 : x
  2. Step 2: Convert to fraction form
    27,421.92/41,132.40 = 8,953.92/x
  3. Step 3: Cross multiply
    27,421.92x = 41,132.40 × 8,953.92
  4. Step 4: Simplify right side
    27,421.92x = 368,296,219.01
  5. Step 5: Solve for x
    x = 368,296,219.01/27,421.92
  6. Step 6: Final answer
    x = 13,430.72

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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.