Home / 23,909.72-32,920.29-20,317.10

Finding the Fourth Proportional to 23,909.72, 32,920.29 and 20,317.10

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Solution

The fourth proportional to 23,909.72, 32,920.29 and 20,317.10 is: 27,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.72 : 32,920.29 = 20,317.10 : x
  2. Step 2: Convert to fraction form
    23,909.72/32,920.29 = 20,317.10/x
  3. Step 3: Cross multiply
    23,909.72x = 32,920.29 × 20,317.10
  4. Step 4: Simplify right side
    23,909.72x = 668,844,659.36
  5. Step 5: Solve for x
    x = 668,844,659.36/23,909.72
  6. Step 6: Final answer
    x = 27,973.76

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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.