Home / 27,316.78-37,697.06-15,383.93

Finding the Fourth Proportional to 27,316.78, 37,697.06 and 15,383.93

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Solution

The fourth proportional to 27,316.78, 37,697.06 and 15,383.93 is: 21,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.78 : 37,697.06 = 15,383.93 : x
  2. Step 2: Convert to fraction form
    27,316.78/37,697.06 = 15,383.93/x
  3. Step 3: Cross multiply
    27,316.78x = 37,697.06 × 15,383.93
  4. Step 4: Simplify right side
    27,316.78x = 579,928,782.22
  5. Step 5: Solve for x
    x = 579,928,782.22/27,316.78
  6. Step 6: Final answer
    x = 21,229.77

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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.