Home / 25,743.15-35,528.54-15,677.49

Finding the Fourth Proportional to 25,743.15, 35,528.54 and 15,677.49

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Solution

The fourth proportional to 25,743.15, 35,528.54 and 15,677.49 is: 21,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.15 : 35,528.54 = 15,677.49 : x
  2. Step 2: Convert to fraction form
    25,743.15/35,528.54 = 15,677.49/x
  3. Step 3: Cross multiply
    25,743.15x = 35,528.54 × 15,677.49
  4. Step 4: Simplify right side
    25,743.15x = 556,998,330.56
  5. Step 5: Solve for x
    x = 556,998,330.56/25,743.15
  6. Step 6: Final answer
    x = 21,636.76

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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.