Home / 27,637.75-38,140.37-15,062.77

Finding the Fourth Proportional to 27,637.75, 38,140.37 and 15,062.77

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Solution

The fourth proportional to 27,637.75, 38,140.37 and 15,062.77 is: 20,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.75 : 38,140.37 = 15,062.77 : x
  2. Step 2: Convert to fraction form
    27,637.75/38,140.37 = 15,062.77/x
  3. Step 3: Cross multiply
    27,637.75x = 38,140.37 × 15,062.77
  4. Step 4: Simplify right side
    27,637.75x = 574,499,621.02
  5. Step 5: Solve for x
    x = 574,499,621.02/27,637.75
  6. Step 6: Final answer
    x = 20,786.77

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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.