Home / 28,017.26-42,020.07-8,291.19

Finding the Fourth Proportional to 28,017.26, 42,020.07 and 8,291.19

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Solution

The fourth proportional to 28,017.26, 42,020.07 and 8,291.19 is: 12,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.26 : 42,020.07 = 8,291.19 : x
  2. Step 2: Convert to fraction form
    28,017.26/42,020.07 = 8,291.19/x
  3. Step 3: Cross multiply
    28,017.26x = 42,020.07 × 8,291.19
  4. Step 4: Simplify right side
    28,017.26x = 348,396,510.67
  5. Step 5: Solve for x
    x = 348,396,510.67/28,017.26
  6. Step 6: Final answer
    x = 12,435.07

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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.