Home / 42,906.75-64,369.86-15,204.75

Finding the Fourth Proportional to 42,906.75, 64,369.86 and 15,204.75

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Solution

The fourth proportional to 42,906.75, 64,369.86 and 15,204.75 is: 22,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,906.75 : 64,369.86 = 15,204.75 : x
  2. Step 2: Convert to fraction form
    42,906.75/64,369.86 = 15,204.75/x
  3. Step 3: Cross multiply
    42,906.75x = 64,369.86 × 15,204.75
  4. Step 4: Simplify right side
    42,906.75x = 978,727,628.84
  5. Step 5: Solve for x
    x = 978,727,628.84/42,906.75
  6. Step 6: Final answer
    x = 22,810.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.