Home / 40,728.08-61,107.24-13,028.24

Finding the Fourth Proportional to 40,728.08, 61,107.24 and 13,028.24

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Solution

The fourth proportional to 40,728.08, 61,107.24 and 13,028.24 is: 19,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.08 : 61,107.24 = 13,028.24 : x
  2. Step 2: Convert to fraction form
    40,728.08/61,107.24 = 13,028.24/x
  3. Step 3: Cross multiply
    40,728.08x = 61,107.24 × 13,028.24
  4. Step 4: Simplify right side
    40,728.08x = 796,119,788.46
  5. Step 5: Solve for x
    x = 796,119,788.46/40,728.08
  6. Step 6: Final answer
    x = 19,547.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.