Home / 25,187.18-37,782.88-7,657.16

Finding the Fourth Proportional to 25,187.18, 37,782.88 and 7,657.16

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Solution

The fourth proportional to 25,187.18, 37,782.88 and 7,657.16 is: 11,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.18 : 37,782.88 = 7,657.16 : x
  2. Step 2: Convert to fraction form
    25,187.18/37,782.88 = 7,657.16/x
  3. Step 3: Cross multiply
    25,187.18x = 37,782.88 × 7,657.16
  4. Step 4: Simplify right side
    25,187.18x = 289,309,349.36
  5. Step 5: Solve for x
    x = 289,309,349.36/25,187.18
  6. Step 6: Final answer
    x = 11,486.38

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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.