Home / 38,729.98-53,404.66-26,772.56

Finding the Fourth Proportional to 38,729.98, 53,404.66 and 26,772.56

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Solution

The fourth proportional to 38,729.98, 53,404.66 and 26,772.56 is: 36,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.98 : 53,404.66 = 26,772.56 : x
  2. Step 2: Convert to fraction form
    38,729.98/53,404.66 = 26,772.56/x
  3. Step 3: Cross multiply
    38,729.98x = 53,404.66 × 26,772.56
  4. Step 4: Simplify right side
    38,729.98x = 1,429,779,464.13
  5. Step 5: Solve for x
    x = 1,429,779,464.13/38,729.98
  6. Step 6: Final answer
    x = 36,916.61

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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.