Home / 27,287.37-37,656.51-15,350.72

Finding the Fourth Proportional to 27,287.37, 37,656.51 and 15,350.72

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Solution

The fourth proportional to 27,287.37, 37,656.51 and 15,350.72 is: 21,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.37 : 37,656.51 = 15,350.72 : x
  2. Step 2: Convert to fraction form
    27,287.37/37,656.51 = 15,350.72/x
  3. Step 3: Cross multiply
    27,287.37x = 37,656.51 × 15,350.72
  4. Step 4: Simplify right side
    27,287.37x = 578,054,410.47
  5. Step 5: Solve for x
    x = 578,054,410.47/27,287.37
  6. Step 6: Final answer
    x = 21,183.95

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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.