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Finding the Fourth Proportional to 25,855.33, 38,773.42 and 9,210.94

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Solution

The fourth proportional to 25,855.33, 38,773.42 and 9,210.94 is: 13,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.33 : 38,773.42 = 9,210.94 : x
  2. Step 2: Convert to fraction form
    25,855.33/38,773.42 = 9,210.94/x
  3. Step 3: Cross multiply
    25,855.33x = 38,773.42 × 9,210.94
  4. Step 4: Simplify right side
    25,855.33x = 357,139,599.16
  5. Step 5: Solve for x
    x = 357,139,599.16/25,855.33
  6. Step 6: Final answer
    x = 13,813.00

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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.