Home / 28,399.96-42,598.59-9,679.24

Finding the Fourth Proportional to 28,399.96, 42,598.59 and 9,679.24

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Solution

The fourth proportional to 28,399.96, 42,598.59 and 9,679.24 is: 14,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,399.96 : 42,598.59 = 9,679.24 : x
  2. Step 2: Convert to fraction form
    28,399.96/42,598.59 = 9,679.24/x
  3. Step 3: Cross multiply
    28,399.96x = 42,598.59 × 9,679.24
  4. Step 4: Simplify right side
    28,399.96x = 412,321,976.27
  5. Step 5: Solve for x
    x = 412,321,976.27/28,399.96
  6. Step 6: Final answer
    x = 14,518.40

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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.