Home / 25,148.22-37,722.64-7,618.82

Finding the Fourth Proportional to 25,148.22, 37,722.64 and 7,618.82

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Solution

The fourth proportional to 25,148.22, 37,722.64 and 7,618.82 is: 11,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.22 : 37,722.64 = 7,618.82 : x
  2. Step 2: Convert to fraction form
    25,148.22/37,722.64 = 7,618.82/x
  3. Step 3: Cross multiply
    25,148.22x = 37,722.64 × 7,618.82
  4. Step 4: Simplify right side
    25,148.22x = 287,402,004.08
  5. Step 5: Solve for x
    x = 287,402,004.08/25,148.22
  6. Step 6: Final answer
    x = 11,428.32

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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.