Home / 28,416.99-42,608.07-11,788.50

Finding the Fourth Proportional to 28,416.99, 42,608.07 and 11,788.50

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Solution

The fourth proportional to 28,416.99, 42,608.07 and 11,788.50 is: 17,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.99 : 42,608.07 = 11,788.50 : x
  2. Step 2: Convert to fraction form
    28,416.99/42,608.07 = 11,788.50/x
  3. Step 3: Cross multiply
    28,416.99x = 42,608.07 × 11,788.50
  4. Step 4: Simplify right side
    28,416.99x = 502,285,233.20
  5. Step 5: Solve for x
    x = 502,285,233.20/28,416.99
  6. Step 6: Final answer
    x = 17,675.53

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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.