Home / 28,395.96-42,592.72-12,596.91

Finding the Fourth Proportional to 28,395.96, 42,592.72 and 12,596.91

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Solution

The fourth proportional to 28,395.96, 42,592.72 and 12,596.91 is: 18,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.96 : 42,592.72 = 12,596.91 : x
  2. Step 2: Convert to fraction form
    28,395.96/42,592.72 = 12,596.91/x
  3. Step 3: Cross multiply
    28,395.96x = 42,592.72 × 12,596.91
  4. Step 4: Simplify right side
    28,395.96x = 536,536,660.50
  5. Step 5: Solve for x
    x = 536,536,660.50/28,395.96
  6. Step 6: Final answer
    x = 18,894.82

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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.