Home / 18,817.48-28,107.02-17,737.87

Finding the Fourth Proportional to 18,817.48, 28,107.02 and 17,737.87

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Solution

The fourth proportional to 18,817.48, 28,107.02 and 17,737.87 is: 26,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.48 : 28,107.02 = 17,737.87 : x
  2. Step 2: Convert to fraction form
    18,817.48/28,107.02 = 17,737.87/x
  3. Step 3: Cross multiply
    18,817.48x = 28,107.02 × 17,737.87
  4. Step 4: Simplify right side
    18,817.48x = 498,558,666.85
  5. Step 5: Solve for x
    x = 498,558,666.85/18,817.48
  6. Step 6: Final answer
    x = 26,494.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.