Home / 27,400.68-41,114.02-18,980.13

Finding the Fourth Proportional to 27,400.68, 41,114.02 and 18,980.13

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Solution

The fourth proportional to 27,400.68, 41,114.02 and 18,980.13 is: 28,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.68 : 41,114.02 = 18,980.13 : x
  2. Step 2: Convert to fraction form
    27,400.68/41,114.02 = 18,980.13/x
  3. Step 3: Cross multiply
    27,400.68x = 41,114.02 × 18,980.13
  4. Step 4: Simplify right side
    27,400.68x = 780,349,444.42
  5. Step 5: Solve for x
    x = 780,349,444.42/27,400.68
  6. Step 6: Final answer
    x = 28,479.20

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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.