Home / 28,903.92-39,886.57-16,157.13

Finding the Fourth Proportional to 28,903.92, 39,886.57 and 16,157.13

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Solution

The fourth proportional to 28,903.92, 39,886.57 and 16,157.13 is: 22,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.92 : 39,886.57 = 16,157.13 : x
  2. Step 2: Convert to fraction form
    28,903.92/39,886.57 = 16,157.13/x
  3. Step 3: Cross multiply
    28,903.92x = 39,886.57 × 16,157.13
  4. Step 4: Simplify right side
    28,903.92x = 644,452,456.35
  5. Step 5: Solve for x
    x = 644,452,456.35/28,903.92
  6. Step 6: Final answer
    x = 22,296.37

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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.