Home / 28,350.92-42,526.92-8,628.50

Finding the Fourth Proportional to 28,350.92, 42,526.92 and 8,628.50

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Solution

The fourth proportional to 28,350.92, 42,526.92 and 8,628.50 is: 12,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.92 : 42,526.92 = 8,628.50 : x
  2. Step 2: Convert to fraction form
    28,350.92/42,526.92 = 8,628.50/x
  3. Step 3: Cross multiply
    28,350.92x = 42,526.92 × 8,628.50
  4. Step 4: Simplify right side
    28,350.92x = 366,943,529.22
  5. Step 5: Solve for x
    x = 366,943,529.22/28,350.92
  6. Step 6: Final answer
    x = 12,942.91

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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.