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Finding the Fourth Proportional to 25,281.99, 37,892.23 and 17,888.58

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Solution

The fourth proportional to 25,281.99, 37,892.23 and 17,888.58 is: 26,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.99 : 37,892.23 = 17,888.58 : x
  2. Step 2: Convert to fraction form
    25,281.99/37,892.23 = 17,888.58/x
  3. Step 3: Cross multiply
    25,281.99x = 37,892.23 × 17,888.58
  4. Step 4: Simplify right side
    25,281.99x = 677,838,187.73
  5. Step 5: Solve for x
    x = 677,838,187.73/25,281.99
  6. Step 6: Final answer
    x = 26,811.11

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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.