Home / 27,510.59-41,268.61-9,981.78

Finding the Fourth Proportional to 27,510.59, 41,268.61 and 9,981.78

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Solution

The fourth proportional to 27,510.59, 41,268.61 and 9,981.78 is: 14,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,510.59 : 41,268.61 = 9,981.78 : x
  2. Step 2: Convert to fraction form
    27,510.59/41,268.61 = 9,981.78/x
  3. Step 3: Cross multiply
    27,510.59x = 41,268.61 × 9,981.78
  4. Step 4: Simplify right side
    27,510.59x = 411,934,210.88
  5. Step 5: Solve for x
    x = 411,934,210.88/27,510.59
  6. Step 6: Final answer
    x = 14,973.66

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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.