Home / 28,567.46-39,394.16-22,022.84

Finding the Fourth Proportional to 28,567.46, 39,394.16 and 22,022.84

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Solution

The fourth proportional to 28,567.46, 39,394.16 and 22,022.84 is: 30,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.46 : 39,394.16 = 22,022.84 : x
  2. Step 2: Convert to fraction form
    28,567.46/39,394.16 = 22,022.84/x
  3. Step 3: Cross multiply
    28,567.46x = 39,394.16 × 22,022.84
  4. Step 4: Simplify right side
    28,567.46x = 867,571,282.61
  5. Step 5: Solve for x
    x = 867,571,282.61/28,567.46
  6. Step 6: Final answer
    x = 30,369.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.