Home / 22,943.04-31,640.40-14,982.36

Finding the Fourth Proportional to 22,943.04, 31,640.40 and 14,982.36

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Solution

The fourth proportional to 22,943.04, 31,640.40 and 14,982.36 is: 20,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,943.04 : 31,640.40 = 14,982.36 : x
  2. Step 2: Convert to fraction form
    22,943.04/31,640.40 = 14,982.36/x
  3. Step 3: Cross multiply
    22,943.04x = 31,640.40 × 14,982.36
  4. Step 4: Simplify right side
    22,943.04x = 474,047,863.34
  5. Step 5: Solve for x
    x = 474,047,863.34/22,943.04
  6. Step 6: Final answer
    x = 20,661.95

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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.