Home / 23,970.79-33,004.41-20,378.68

Finding the Fourth Proportional to 23,970.79, 33,004.41 and 20,378.68

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Solution

The fourth proportional to 23,970.79, 33,004.41 and 20,378.68 is: 28,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,970.79 : 33,004.41 = 20,378.68 : x
  2. Step 2: Convert to fraction form
    23,970.79/33,004.41 = 20,378.68/x
  3. Step 3: Cross multiply
    23,970.79x = 33,004.41 × 20,378.68
  4. Step 4: Simplify right side
    23,970.79x = 672,586,309.98
  5. Step 5: Solve for x
    x = 672,586,309.98/23,970.79
  6. Step 6: Final answer
    x = 28,058.58

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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.