Home / 22,800.80-31,465.08-13,845.92

Finding the Fourth Proportional to 22,800.80, 31,465.08 and 13,845.92

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Solution

The fourth proportional to 22,800.80, 31,465.08 and 13,845.92 is: 19,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.80 : 31,465.08 = 13,845.92 : x
  2. Step 2: Convert to fraction form
    22,800.80/31,465.08 = 13,845.92/x
  3. Step 3: Cross multiply
    22,800.80x = 31,465.08 × 13,845.92
  4. Step 4: Simplify right side
    22,800.80x = 435,662,980.47
  5. Step 5: Solve for x
    x = 435,662,980.47/22,800.80
  6. Step 6: Final answer
    x = 19,107.36

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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.