Home / 23,405.40-32,303.88-13,979.16

Finding the Fourth Proportional to 23,405.40, 32,303.88 and 13,979.16

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Solution

The fourth proportional to 23,405.40, 32,303.88 and 13,979.16 is: 19,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,405.40 : 32,303.88 = 13,979.16 : x
  2. Step 2: Convert to fraction form
    23,405.40/32,303.88 = 13,979.16/x
  3. Step 3: Cross multiply
    23,405.40x = 32,303.88 × 13,979.16
  4. Step 4: Simplify right side
    23,405.40x = 451,581,107.14
  5. Step 5: Solve for x
    x = 451,581,107.14/23,405.40
  6. Step 6: Final answer
    x = 19,293.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.