Home / 28,147.79-42,150.26-16,896.13

Finding the Fourth Proportional to 28,147.79, 42,150.26 and 16,896.13

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Solution

The fourth proportional to 28,147.79, 42,150.26 and 16,896.13 is: 25,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.79 : 42,150.26 = 16,896.13 : x
  2. Step 2: Convert to fraction form
    28,147.79/42,150.26 = 16,896.13/x
  3. Step 3: Cross multiply
    28,147.79x = 42,150.26 × 16,896.13
  4. Step 4: Simplify right side
    28,147.79x = 712,176,114.32
  5. Step 5: Solve for x
    x = 712,176,114.32/28,147.79
  6. Step 6: Final answer
    x = 25,301.32

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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.