Home / 22,919.97-31,632.47-13,970.28

Finding the Fourth Proportional to 22,919.97, 31,632.47 and 13,970.28

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Solution

The fourth proportional to 22,919.97, 31,632.47 and 13,970.28 is: 19,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.97 : 31,632.47 = 13,970.28 : x
  2. Step 2: Convert to fraction form
    22,919.97/31,632.47 = 13,970.28/x
  3. Step 3: Cross multiply
    22,919.97x = 31,632.47 × 13,970.28
  4. Step 4: Simplify right side
    22,919.97x = 441,914,462.99
  5. Step 5: Solve for x
    x = 441,914,462.99/22,919.97
  6. Step 6: Final answer
    x = 19,280.76

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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.