Home / 28,763.36-43,146.89-9,042.68

Finding the Fourth Proportional to 28,763.36, 43,146.89 and 9,042.68

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Solution

The fourth proportional to 28,763.36, 43,146.89 and 9,042.68 is: 13,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.36 : 43,146.89 = 9,042.68 : x
  2. Step 2: Convert to fraction form
    28,763.36/43,146.89 = 9,042.68/x
  3. Step 3: Cross multiply
    28,763.36x = 43,146.89 × 9,042.68
  4. Step 4: Simplify right side
    28,763.36x = 390,163,326.14
  5. Step 5: Solve for x
    x = 390,163,326.14/28,763.36
  6. Step 6: Final answer
    x = 13,564.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.