Home / 27,445.77-37,876.01-15,509.86

Finding the Fourth Proportional to 27,445.77, 37,876.01 and 15,509.86

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Solution

The fourth proportional to 27,445.77, 37,876.01 and 15,509.86 is: 21,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.77 : 37,876.01 = 15,509.86 : x
  2. Step 2: Convert to fraction form
    27,445.77/37,876.01 = 15,509.86/x
  3. Step 3: Cross multiply
    27,445.77x = 37,876.01 × 15,509.86
  4. Step 4: Simplify right side
    27,445.77x = 587,451,440.22
  5. Step 5: Solve for x
    x = 587,451,440.22/27,445.77
  6. Step 6: Final answer
    x = 21,404.08

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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.