Home / 22,639.34-31,240.81-12,567.29

Finding the Fourth Proportional to 22,639.34, 31,240.81 and 12,567.29

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Solution

The fourth proportional to 22,639.34, 31,240.81 and 12,567.29 is: 17,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.34 : 31,240.81 = 12,567.29 : x
  2. Step 2: Convert to fraction form
    22,639.34/31,240.81 = 12,567.29/x
  3. Step 3: Cross multiply
    22,639.34x = 31,240.81 × 12,567.29
  4. Step 4: Simplify right side
    22,639.34x = 392,612,365.79
  5. Step 5: Solve for x
    x = 392,612,365.79/22,639.34
  6. Step 6: Final answer
    x = 17,342.04

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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.