Home / 27,598.79-38,087.22-15,662.63

Finding the Fourth Proportional to 27,598.79, 38,087.22 and 15,662.63

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Solution

The fourth proportional to 27,598.79, 38,087.22 and 15,662.63 is: 21,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,598.79 : 38,087.22 = 15,662.63 : x
  2. Step 2: Convert to fraction form
    27,598.79/38,087.22 = 15,662.63/x
  3. Step 3: Cross multiply
    27,598.79x = 38,087.22 × 15,662.63
  4. Step 4: Simplify right side
    27,598.79x = 596,545,844.15
  5. Step 5: Solve for x
    x = 596,545,844.15/27,598.79
  6. Step 6: Final answer
    x = 21,614.93

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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.