Home / 28,864.39-43,295.56-11,090.47

Finding the Fourth Proportional to 28,864.39, 43,295.56 and 11,090.47

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Solution

The fourth proportional to 28,864.39, 43,295.56 and 11,090.47 is: 16,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.39 : 43,295.56 = 11,090.47 : x
  2. Step 2: Convert to fraction form
    28,864.39/43,295.56 = 11,090.47/x
  3. Step 3: Cross multiply
    28,864.39x = 43,295.56 × 11,090.47
  4. Step 4: Simplify right side
    28,864.39x = 480,168,109.31
  5. Step 5: Solve for x
    x = 480,168,109.31/28,864.39
  6. Step 6: Final answer
    x = 16,635.31

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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.