Home / 28,117.05-42,193.80-16,270.80

Finding the Fourth Proportional to 28,117.05, 42,193.80 and 16,270.80

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Solution

The fourth proportional to 28,117.05, 42,193.80 and 16,270.80 is: 24,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.05 : 42,193.80 = 16,270.80 : x
  2. Step 2: Convert to fraction form
    28,117.05/42,193.80 = 16,270.80/x
  3. Step 3: Cross multiply
    28,117.05x = 42,193.80 × 16,270.80
  4. Step 4: Simplify right side
    28,117.05x = 686,526,881.04
  5. Step 5: Solve for x
    x = 686,526,881.04/28,117.05
  6. Step 6: Final answer
    x = 24,416.75

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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.