Home / 28,246.24-38,981.03-16,917.58

Finding the Fourth Proportional to 28,246.24, 38,981.03 and 16,917.58

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Solution

The fourth proportional to 28,246.24, 38,981.03 and 16,917.58 is: 23,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.24 : 38,981.03 = 16,917.58 : x
  2. Step 2: Convert to fraction form
    28,246.24/38,981.03 = 16,917.58/x
  3. Step 3: Cross multiply
    28,246.24x = 38,981.03 × 16,917.58
  4. Step 4: Simplify right side
    28,246.24x = 659,464,693.51
  5. Step 5: Solve for x
    x = 659,464,693.51/28,246.24
  6. Step 6: Final answer
    x = 23,346.99

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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.