Home / 28,473.48-42,705.84-9,498.45

Finding the Fourth Proportional to 28,473.48, 42,705.84 and 9,498.45

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Solution

The fourth proportional to 28,473.48, 42,705.84 and 9,498.45 is: 14,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.48 : 42,705.84 = 9,498.45 : x
  2. Step 2: Convert to fraction form
    28,473.48/42,705.84 = 9,498.45/x
  3. Step 3: Cross multiply
    28,473.48x = 42,705.84 × 9,498.45
  4. Step 4: Simplify right side
    28,473.48x = 405,639,481.71
  5. Step 5: Solve for x
    x = 405,639,481.71/28,473.48
  6. Step 6: Final answer
    x = 14,246.22

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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.