Home / 28,948.40-43,422.52-9,226.96

Finding the Fourth Proportional to 28,948.40, 43,422.52 and 9,226.96

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Solution

The fourth proportional to 28,948.40, 43,422.52 and 9,226.96 is: 13,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.40 : 43,422.52 = 9,226.96 : x
  2. Step 2: Convert to fraction form
    28,948.40/43,422.52 = 9,226.96/x
  3. Step 3: Cross multiply
    28,948.40x = 43,422.52 × 9,226.96
  4. Step 4: Simplify right side
    28,948.40x = 400,657,855.14
  5. Step 5: Solve for x
    x = 400,657,855.14/28,948.40
  6. Step 6: Final answer
    x = 13,840.41

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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.