Home / 19,879.02-27,433.55-10,926.75

Finding the Fourth Proportional to 19,879.02, 27,433.55 and 10,926.75

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Solution

The fourth proportional to 19,879.02, 27,433.55 and 10,926.75 is: 15,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.02 : 27,433.55 = 10,926.75 : x
  2. Step 2: Convert to fraction form
    19,879.02/27,433.55 = 10,926.75/x
  3. Step 3: Cross multiply
    19,879.02x = 27,433.55 × 10,926.75
  4. Step 4: Simplify right side
    19,879.02x = 299,759,542.46
  5. Step 5: Solve for x
    x = 299,759,542.46/19,879.02
  6. Step 6: Final answer
    x = 15,079.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.