Home / 25,581.12-38,376.94-10,790.08

Finding the Fourth Proportional to 25,581.12, 38,376.94 and 10,790.08

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Solution

The fourth proportional to 25,581.12, 38,376.94 and 10,790.08 is: 16,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.12 : 38,376.94 = 10,790.08 : x
  2. Step 2: Convert to fraction form
    25,581.12/38,376.94 = 10,790.08/x
  3. Step 3: Cross multiply
    25,581.12x = 38,376.94 × 10,790.08
  4. Step 4: Simplify right side
    25,581.12x = 414,090,252.76
  5. Step 5: Solve for x
    x = 414,090,252.76/25,581.12
  6. Step 6: Final answer
    x = 16,187.34

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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.