Home / 28,269.06-42,404.26-8,547.54

Finding the Fourth Proportional to 28,269.06, 42,404.26 and 8,547.54

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Solution

The fourth proportional to 28,269.06, 42,404.26 and 8,547.54 is: 12,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.06 : 42,404.26 = 8,547.54 : x
  2. Step 2: Convert to fraction form
    28,269.06/42,404.26 = 8,547.54/x
  3. Step 3: Cross multiply
    28,269.06x = 42,404.26 × 8,547.54
  4. Step 4: Simplify right side
    28,269.06x = 362,452,108.52
  5. Step 5: Solve for x
    x = 362,452,108.52/28,269.06
  6. Step 6: Final answer
    x = 12,821.51

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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.