Home / 38,007.84-57,011.76-10,305.12

Finding the Fourth Proportional to 38,007.84, 57,011.76 and 10,305.12

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Solution

The fourth proportional to 38,007.84, 57,011.76 and 10,305.12 is: 15,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.84 : 57,011.76 = 10,305.12 : x
  2. Step 2: Convert to fraction form
    38,007.84/57,011.76 = 10,305.12/x
  3. Step 3: Cross multiply
    38,007.84x = 57,011.76 × 10,305.12
  4. Step 4: Simplify right side
    38,007.84x = 587,513,028.21
  5. Step 5: Solve for x
    x = 587,513,028.21/38,007.84
  6. Step 6: Final answer
    x = 15,457.68

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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.