Home / 28,528.18-42,793.48-8,806.30

Finding the Fourth Proportional to 28,528.18, 42,793.48 and 8,806.30

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Solution

The fourth proportional to 28,528.18, 42,793.48 and 8,806.30 is: 13,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.18 : 42,793.48 = 8,806.30 : x
  2. Step 2: Convert to fraction form
    28,528.18/42,793.48 = 8,806.30/x
  3. Step 3: Cross multiply
    28,528.18x = 42,793.48 × 8,806.30
  4. Step 4: Simplify right side
    28,528.18x = 376,852,222.92
  5. Step 5: Solve for x
    x = 376,852,222.92/28,528.18
  6. Step 6: Final answer
    x = 13,209.82

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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.