Home / 27,346.80-37,712.60-19,842.80

Finding the Fourth Proportional to 27,346.80, 37,712.60 and 19,842.80

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Solution

The fourth proportional to 27,346.80, 37,712.60 and 19,842.80 is: 27,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,346.80 : 37,712.60 = 19,842.80 : x
  2. Step 2: Convert to fraction form
    27,346.80/37,712.60 = 19,842.80/x
  3. Step 3: Cross multiply
    27,346.80x = 37,712.60 × 19,842.80
  4. Step 4: Simplify right side
    27,346.80x = 748,323,579.28
  5. Step 5: Solve for x
    x = 748,323,579.28/27,346.80
  6. Step 6: Final answer
    x = 27,364.21

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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.