Home / 28,526.36-42,793.64-8,806.61

Finding the Fourth Proportional to 28,526.36, 42,793.64 and 8,806.61

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Solution

The fourth proportional to 28,526.36, 42,793.64 and 8,806.61 is: 13,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.36 : 42,793.64 = 8,806.61 : x
  2. Step 2: Convert to fraction form
    28,526.36/42,793.64 = 8,806.61/x
  3. Step 3: Cross multiply
    28,526.36x = 42,793.64 × 8,806.61
  4. Step 4: Simplify right side
    28,526.36x = 376,866,639.96
  5. Step 5: Solve for x
    x = 376,866,639.96/28,526.36
  6. Step 6: Final answer
    x = 13,211.17

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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.