Home / 28,476.71-39,316.34-25,487.36

Finding the Fourth Proportional to 28,476.71, 39,316.34 and 25,487.36

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Solution

The fourth proportional to 28,476.71, 39,316.34 and 25,487.36 is: 35,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.71 : 39,316.34 = 25,487.36 : x
  2. Step 2: Convert to fraction form
    28,476.71/39,316.34 = 25,487.36/x
  3. Step 3: Cross multiply
    28,476.71x = 39,316.34 × 25,487.36
  4. Step 4: Simplify right side
    28,476.71x = 1,002,069,584.03
  5. Step 5: Solve for x
    x = 1,002,069,584.03/28,476.71
  6. Step 6: Final answer
    x = 35,189.09

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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.