Home / 27,557.40-37,994-17,849.72

Finding the Fourth Proportional to 27,557.40, 37,994 and 17,849.72

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Solution

The fourth proportional to 27,557.40, 37,994 and 17,849.72 is: 24,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.40 : 37,994 = 17,849.72 : x
  2. Step 2: Convert to fraction form
    27,557.40/37,994 = 17,849.72/x
  3. Step 3: Cross multiply
    27,557.40x = 37,994 × 17,849.72
  4. Step 4: Simplify right side
    27,557.40x = 678,182,261.68
  5. Step 5: Solve for x
    x = 678,182,261.68/27,557.40
  6. Step 6: Final answer
    x = 24,609.81

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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.