Home / 27,218.57-37,561.66-15,285.78

Finding the Fourth Proportional to 27,218.57, 37,561.66 and 15,285.78

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Solution

The fourth proportional to 27,218.57, 37,561.66 and 15,285.78 is: 21,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.57 : 37,561.66 = 15,285.78 : x
  2. Step 2: Convert to fraction form
    27,218.57/37,561.66 = 15,285.78/x
  3. Step 3: Cross multiply
    27,218.57x = 37,561.66 × 15,285.78
  4. Step 4: Simplify right side
    27,218.57x = 574,159,232.98
  5. Step 5: Solve for x
    x = 574,159,232.98/27,218.57
  6. Step 6: Final answer
    x = 21,094.40

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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.