Home / 28,216.76-38,947.92-17,465.36

Finding the Fourth Proportional to 28,216.76, 38,947.92 and 17,465.36

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Solution

The fourth proportional to 28,216.76, 38,947.92 and 17,465.36 is: 24,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.76 : 38,947.92 = 17,465.36 : x
  2. Step 2: Convert to fraction form
    28,216.76/38,947.92 = 17,465.36/x
  3. Step 3: Cross multiply
    28,216.76x = 38,947.92 × 17,465.36
  4. Step 4: Simplify right side
    28,216.76x = 680,239,444.05
  5. Step 5: Solve for x
    x = 680,239,444.05/28,216.76
  6. Step 6: Final answer
    x = 24,107.64

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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.