Home / 28,003.68-38,646.60-16,066.92

Finding the Fourth Proportional to 28,003.68, 38,646.60 and 16,066.92

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Solution

The fourth proportional to 28,003.68, 38,646.60 and 16,066.92 is: 22,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.68 : 38,646.60 = 16,066.92 : x
  2. Step 2: Convert to fraction form
    28,003.68/38,646.60 = 16,066.92/x
  3. Step 3: Cross multiply
    28,003.68x = 38,646.60 × 16,066.92
  4. Step 4: Simplify right side
    28,003.68x = 620,931,830.47
  5. Step 5: Solve for x
    x = 620,931,830.47/28,003.68
  6. Step 6: Final answer
    x = 22,173.22

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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.