Home / 19,112.97-28,642.74-16,287.06

Finding the Fourth Proportional to 19,112.97, 28,642.74 and 16,287.06

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Solution

The fourth proportional to 19,112.97, 28,642.74 and 16,287.06 is: 24,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.97 : 28,642.74 = 16,287.06 : x
  2. Step 2: Convert to fraction form
    19,112.97/28,642.74 = 16,287.06/x
  3. Step 3: Cross multiply
    19,112.97x = 28,642.74 × 16,287.06
  4. Step 4: Simplify right side
    19,112.97x = 466,506,024.94
  5. Step 5: Solve for x
    x = 466,506,024.94/19,112.97
  6. Step 6: Final answer
    x = 24,407.82

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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.