Home / 20,285.09-30,377.95-16,753.49

Finding the Fourth Proportional to 20,285.09, 30,377.95 and 16,753.49

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Solution

The fourth proportional to 20,285.09, 30,377.95 and 16,753.49 is: 25,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285.09 : 30,377.95 = 16,753.49 : x
  2. Step 2: Convert to fraction form
    20,285.09/30,377.95 = 16,753.49/x
  3. Step 3: Cross multiply
    20,285.09x = 30,377.95 × 16,753.49
  4. Step 4: Simplify right side
    20,285.09x = 508,936,681.55
  5. Step 5: Solve for x
    x = 508,936,681.55/20,285.09
  6. Step 6: Final answer
    x = 25,089.20

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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.