Home / 28,999.40-43,496.36-9,272.66

Finding the Fourth Proportional to 28,999.40, 43,496.36 and 9,272.66

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Solution

The fourth proportional to 28,999.40, 43,496.36 and 9,272.66 is: 13,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.40 : 43,496.36 = 9,272.66 : x
  2. Step 2: Convert to fraction form
    28,999.40/43,496.36 = 9,272.66/x
  3. Step 3: Cross multiply
    28,999.40x = 43,496.36 × 9,272.66
  4. Step 4: Simplify right side
    28,999.40x = 403,326,973.11
  5. Step 5: Solve for x
    x = 403,326,973.11/28,999.40
  6. Step 6: Final answer
    x = 13,908.11

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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.