Home / 27,218.64-37,559.70-15,283.80

Finding the Fourth Proportional to 27,218.64, 37,559.70 and 15,283.80

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Solution

The fourth proportional to 27,218.64, 37,559.70 and 15,283.80 is: 21,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.64 : 37,559.70 = 15,283.80 : x
  2. Step 2: Convert to fraction form
    27,218.64/37,559.70 = 15,283.80/x
  3. Step 3: Cross multiply
    27,218.64x = 37,559.70 × 15,283.80
  4. Step 4: Simplify right side
    27,218.64x = 574,054,942.86
  5. Step 5: Solve for x
    x = 574,054,942.86/27,218.64
  6. Step 6: Final answer
    x = 21,090.51

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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.