Home / 39,428.07-54,402.62-22,657.83

Finding the Fourth Proportional to 39,428.07, 54,402.62 and 22,657.83

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Solution

The fourth proportional to 39,428.07, 54,402.62 and 22,657.83 is: 31,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.07 : 54,402.62 = 22,657.83 : x
  2. Step 2: Convert to fraction form
    39,428.07/54,402.62 = 22,657.83/x
  3. Step 3: Cross multiply
    39,428.07x = 54,402.62 × 22,657.83
  4. Step 4: Simplify right side
    39,428.07x = 1,232,645,202.23
  5. Step 5: Solve for x
    x = 1,232,645,202.23/39,428.07
  6. Step 6: Final answer
    x = 31,263.14

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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.