Home / 28,214.41-38,935.60-15,468.29

Finding the Fourth Proportional to 28,214.41, 38,935.60 and 15,468.29

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Solution

The fourth proportional to 28,214.41, 38,935.60 and 15,468.29 is: 21,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.41 : 38,935.60 = 15,468.29 : x
  2. Step 2: Convert to fraction form
    28,214.41/38,935.60 = 15,468.29/x
  3. Step 3: Cross multiply
    28,214.41x = 38,935.60 × 15,468.29
  4. Step 4: Simplify right side
    28,214.41x = 602,267,210.79
  5. Step 5: Solve for x
    x = 602,267,210.79/28,214.41
  6. Step 6: Final answer
    x = 21,346.09

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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.