Home / 28,214.10-38,935.98-15,466.44

Finding the Fourth Proportional to 28,214.10, 38,935.98 and 15,466.44

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Solution

The fourth proportional to 28,214.10, 38,935.98 and 15,466.44 is: 21,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.10 : 38,935.98 = 15,466.44 : x
  2. Step 2: Convert to fraction form
    28,214.10/38,935.98 = 15,466.44/x
  3. Step 3: Cross multiply
    28,214.10x = 38,935.98 × 15,466.44
  4. Step 4: Simplify right side
    28,214.10x = 602,200,998.51
  5. Step 5: Solve for x
    x = 602,200,998.51/28,214.10
  6. Step 6: Final answer
    x = 21,343.97

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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.