Home / 28,737.54-39,658.93-17,400.58

Finding the Fourth Proportional to 28,737.54, 39,658.93 and 17,400.58

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Solution

The fourth proportional to 28,737.54, 39,658.93 and 17,400.58 is: 24,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.54 : 39,658.93 = 17,400.58 : x
  2. Step 2: Convert to fraction form
    28,737.54/39,658.93 = 17,400.58/x
  3. Step 3: Cross multiply
    28,737.54x = 39,658.93 × 17,400.58
  4. Step 4: Simplify right side
    28,737.54x = 690,088,241.53
  5. Step 5: Solve for x
    x = 690,088,241.53/28,737.54
  6. Step 6: Final answer
    x = 24,013.48

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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.