Home / 28,708.59-39,608.71-17,374.46

Finding the Fourth Proportional to 28,708.59, 39,608.71 and 17,374.46

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Solution

The fourth proportional to 28,708.59, 39,608.71 and 17,374.46 is: 23,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.59 : 39,608.71 = 17,374.46 : x
  2. Step 2: Convert to fraction form
    28,708.59/39,608.71 = 17,374.46/x
  3. Step 3: Cross multiply
    28,708.59x = 39,608.71 × 17,374.46
  4. Step 4: Simplify right side
    28,708.59x = 688,179,947.55
  5. Step 5: Solve for x
    x = 688,179,947.55/28,708.59
  6. Step 6: Final answer
    x = 23,971.22

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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.