Home / 22,639.89-31,272.98-18,875.37

Finding the Fourth Proportional to 22,639.89, 31,272.98 and 18,875.37

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Solution

The fourth proportional to 22,639.89, 31,272.98 and 18,875.37 is: 26,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.89 : 31,272.98 = 18,875.37 : x
  2. Step 2: Convert to fraction form
    22,639.89/31,272.98 = 18,875.37/x
  3. Step 3: Cross multiply
    22,639.89x = 31,272.98 × 18,875.37
  4. Step 4: Simplify right side
    22,639.89x = 590,288,974.13
  5. Step 5: Solve for x
    x = 590,288,974.13/22,639.89
  6. Step 6: Final answer
    x = 26,072.96

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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.