Home / 19,102.02-28,642.37-15,178.38

Finding the Fourth Proportional to 19,102.02, 28,642.37 and 15,178.38

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Solution

The fourth proportional to 19,102.02, 28,642.37 and 15,178.38 is: 22,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.02 : 28,642.37 = 15,178.38 : x
  2. Step 2: Convert to fraction form
    19,102.02/28,642.37 = 15,178.38/x
  3. Step 3: Cross multiply
    19,102.02x = 28,642.37 × 15,178.38
  4. Step 4: Simplify right side
    19,102.02x = 434,744,700.07
  5. Step 5: Solve for x
    x = 434,744,700.07/19,102.02
  6. Step 6: Final answer
    x = 22,759.10

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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.