Home / 27,516.85-37,973.41-15,581.30

Finding the Fourth Proportional to 27,516.85, 37,973.41 and 15,581.30

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Solution

The fourth proportional to 27,516.85, 37,973.41 and 15,581.30 is: 21,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516.85 : 37,973.41 = 15,581.30 : x
  2. Step 2: Convert to fraction form
    27,516.85/37,973.41 = 15,581.30/x
  3. Step 3: Cross multiply
    27,516.85x = 37,973.41 × 15,581.30
  4. Step 4: Simplify right side
    27,516.85x = 591,674,864.41
  5. Step 5: Solve for x
    x = 591,674,864.41/27,516.85
  6. Step 6: Final answer
    x = 21,502.28

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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.