Home / 17,664.24-24,362.44-15,535.20

Finding the Fourth Proportional to 17,664.24, 24,362.44 and 15,535.20

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Solution

The fourth proportional to 17,664.24, 24,362.44 and 15,535.20 is: 21,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.24 : 24,362.44 = 15,535.20 : x
  2. Step 2: Convert to fraction form
    17,664.24/24,362.44 = 15,535.20/x
  3. Step 3: Cross multiply
    17,664.24x = 24,362.44 × 15,535.20
  4. Step 4: Simplify right side
    17,664.24x = 378,475,377.89
  5. Step 5: Solve for x
    x = 378,475,377.89/17,664.24
  6. Step 6: Final answer
    x = 21,426.08

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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.