Home / 28,273.12-42,406.44-7,498.24

Finding the Fourth Proportional to 28,273.12, 42,406.44 and 7,498.24

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Solution

The fourth proportional to 28,273.12, 42,406.44 and 7,498.24 is: 11,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.12 : 42,406.44 = 7,498.24 : x
  2. Step 2: Convert to fraction form
    28,273.12/42,406.44 = 7,498.24/x
  3. Step 3: Cross multiply
    28,273.12x = 42,406.44 × 7,498.24
  4. Step 4: Simplify right side
    28,273.12x = 317,973,664.67
  5. Step 5: Solve for x
    x = 317,973,664.67/28,273.12
  6. Step 6: Final answer
    x = 11,246.50

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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.