Home / 22,025.57-30,402.52-12,950.51

Finding the Fourth Proportional to 22,025.57, 30,402.52 and 12,950.51

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Solution

The fourth proportional to 22,025.57, 30,402.52 and 12,950.51 is: 17,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.57 : 30,402.52 = 12,950.51 : x
  2. Step 2: Convert to fraction form
    22,025.57/30,402.52 = 12,950.51/x
  3. Step 3: Cross multiply
    22,025.57x = 30,402.52 × 12,950.51
  4. Step 4: Simplify right side
    22,025.57x = 393,727,954.90
  5. Step 5: Solve for x
    x = 393,727,954.90/22,025.57
  6. Step 6: Final answer
    x = 17,875.95

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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.