Home / 23,730.36-35,421.66-20,927.88

Finding the Fourth Proportional to 23,730.36, 35,421.66 and 20,927.88

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Solution

The fourth proportional to 23,730.36, 35,421.66 and 20,927.88 is: 31,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.36 : 35,421.66 = 20,927.88 : x
  2. Step 2: Convert to fraction form
    23,730.36/35,421.66 = 20,927.88/x
  3. Step 3: Cross multiply
    23,730.36x = 35,421.66 × 20,927.88
  4. Step 4: Simplify right side
    23,730.36x = 741,300,249.88
  5. Step 5: Solve for x
    x = 741,300,249.88/23,730.36
  6. Step 6: Final answer
    x = 31,238.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.