Home / 27,931.64-41,897.45-8,210.36

Finding the Fourth Proportional to 27,931.64, 41,897.45 and 8,210.36

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Solution

The fourth proportional to 27,931.64, 41,897.45 and 8,210.36 is: 12,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.64 : 41,897.45 = 8,210.36 : x
  2. Step 2: Convert to fraction form
    27,931.64/41,897.45 = 8,210.36/x
  3. Step 3: Cross multiply
    27,931.64x = 41,897.45 × 8,210.36
  4. Step 4: Simplify right side
    27,931.64x = 343,993,272.85
  5. Step 5: Solve for x
    x = 343,993,272.85/27,931.64
  6. Step 6: Final answer
    x = 12,315.54

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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.