Home / 27,346.59-37,735.47-15,411.78

Finding the Fourth Proportional to 27,346.59, 37,735.47 and 15,411.78

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Solution

The fourth proportional to 27,346.59, 37,735.47 and 15,411.78 is: 21,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,346.59 : 37,735.47 = 15,411.78 : x
  2. Step 2: Convert to fraction form
    27,346.59/37,735.47 = 15,411.78/x
  3. Step 3: Cross multiply
    27,346.59x = 37,735.47 × 15,411.78
  4. Step 4: Simplify right side
    27,346.59x = 581,570,761.84
  5. Step 5: Solve for x
    x = 581,570,761.84/27,346.59
  6. Step 6: Final answer
    x = 21,266.66

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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.