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Finding the Fourth Proportional to 25,595.94, 38,394.22 and 8,955.91

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Solution

The fourth proportional to 25,595.94, 38,394.22 and 8,955.91 is: 13,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,595.94 : 38,394.22 = 8,955.91 : x
  2. Step 2: Convert to fraction form
    25,595.94/38,394.22 = 8,955.91/x
  3. Step 3: Cross multiply
    25,595.94x = 38,394.22 × 8,955.91
  4. Step 4: Simplify right side
    25,595.94x = 343,855,060.46
  5. Step 5: Solve for x
    x = 343,855,060.46/25,595.94
  6. Step 6: Final answer
    x = 13,433.97

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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.