Home / 22,935.11-31,620.85-15,382.67

Finding the Fourth Proportional to 22,935.11, 31,620.85 and 15,382.67

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Solution

The fourth proportional to 22,935.11, 31,620.85 and 15,382.67 is: 21,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.11 : 31,620.85 = 15,382.67 : x
  2. Step 2: Convert to fraction form
    22,935.11/31,620.85 = 15,382.67/x
  3. Step 3: Cross multiply
    22,935.11x = 31,620.85 × 15,382.67
  4. Step 4: Simplify right side
    22,935.11x = 486,412,904.11
  5. Step 5: Solve for x
    x = 486,412,904.11/22,935.11
  6. Step 6: Final answer
    x = 21,208.23

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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.