Home / 20,225.39-30,398.63-16,737.80

Finding the Fourth Proportional to 20,225.39, 30,398.63 and 16,737.80

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Solution

The fourth proportional to 20,225.39, 30,398.63 and 16,737.80 is: 25,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.39 : 30,398.63 = 16,737.80 : x
  2. Step 2: Convert to fraction form
    20,225.39/30,398.63 = 16,737.80/x
  3. Step 3: Cross multiply
    20,225.39x = 30,398.63 × 16,737.80
  4. Step 4: Simplify right side
    20,225.39x = 508,805,953.53
  5. Step 5: Solve for x
    x = 508,805,953.53/20,225.39
  6. Step 6: Final answer
    x = 25,156.80

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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.