Home / 27,390.56-37,799.05-14,815.31

Finding the Fourth Proportional to 27,390.56, 37,799.05 and 14,815.31

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Solution

The fourth proportional to 27,390.56, 37,799.05 and 14,815.31 is: 20,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.56 : 37,799.05 = 14,815.31 : x
  2. Step 2: Convert to fraction form
    27,390.56/37,799.05 = 14,815.31/x
  3. Step 3: Cross multiply
    27,390.56x = 37,799.05 × 14,815.31
  4. Step 4: Simplify right side
    27,390.56x = 560,004,700.91
  5. Step 5: Solve for x
    x = 560,004,700.91/27,390.56
  6. Step 6: Final answer
    x = 20,445.17

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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.