Home / 39,278.91-54,204.44-25,869.63

Finding the Fourth Proportional to 39,278.91, 54,204.44 and 25,869.63

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Solution

The fourth proportional to 39,278.91, 54,204.44 and 25,869.63 is: 35,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.91 : 54,204.44 = 25,869.63 : x
  2. Step 2: Convert to fraction form
    39,278.91/54,204.44 = 25,869.63/x
  3. Step 3: Cross multiply
    39,278.91x = 54,204.44 × 25,869.63
  4. Step 4: Simplify right side
    39,278.91x = 1,402,248,677.81
  5. Step 5: Solve for x
    x = 1,402,248,677.81/39,278.91
  6. Step 6: Final answer
    x = 35,699.79

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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.