Home / 28,042.07-38,697.44-15,466.82

Finding the Fourth Proportional to 28,042.07, 38,697.44 and 15,466.82

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Solution

The fourth proportional to 28,042.07, 38,697.44 and 15,466.82 is: 21,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.07 : 38,697.44 = 15,466.82 : x
  2. Step 2: Convert to fraction form
    28,042.07/38,697.44 = 15,466.82/x
  3. Step 3: Cross multiply
    28,042.07x = 38,697.44 × 15,466.82
  4. Step 4: Simplify right side
    28,042.07x = 598,526,068.12
  5. Step 5: Solve for x
    x = 598,526,068.12/28,042.07
  6. Step 6: Final answer
    x = 21,343.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.