Home / 27,515.96-37,973.30-15,577.72

Finding the Fourth Proportional to 27,515.96, 37,973.30 and 15,577.72

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Solution

The fourth proportional to 27,515.96, 37,973.30 and 15,577.72 is: 21,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.96 : 37,973.30 = 15,577.72 : x
  2. Step 2: Convert to fraction form
    27,515.96/37,973.30 = 15,577.72/x
  3. Step 3: Cross multiply
    27,515.96x = 37,973.30 × 15,577.72
  4. Step 4: Simplify right side
    27,515.96x = 591,537,434.88
  5. Step 5: Solve for x
    x = 591,537,434.88/27,515.96
  6. Step 6: Final answer
    x = 21,497.98

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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.