Home / 28,658.83-42,925.06-22,408.87

Finding the Fourth Proportional to 28,658.83, 42,925.06 and 22,408.87

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Solution

The fourth proportional to 28,658.83, 42,925.06 and 22,408.87 is: 33,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.83 : 42,925.06 = 22,408.87 : x
  2. Step 2: Convert to fraction form
    28,658.83/42,925.06 = 22,408.87/x
  3. Step 3: Cross multiply
    28,658.83x = 42,925.06 × 22,408.87
  4. Step 4: Simplify right side
    28,658.83x = 961,902,089.28
  5. Step 5: Solve for x
    x = 961,902,089.28/28,658.83
  6. Step 6: Final answer
    x = 33,563.90

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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.