Home / 38,439.45-53,044.74-28,364.22

Finding the Fourth Proportional to 38,439.45, 53,044.74 and 28,364.22

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Solution

The fourth proportional to 38,439.45, 53,044.74 and 28,364.22 is: 39,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.45 : 53,044.74 = 28,364.22 : x
  2. Step 2: Convert to fraction form
    38,439.45/53,044.74 = 28,364.22/x
  3. Step 3: Cross multiply
    38,439.45x = 53,044.74 × 28,364.22
  4. Step 4: Simplify right side
    38,439.45x = 1,504,572,675.20
  5. Step 5: Solve for x
    x = 1,504,572,675.20/38,439.45
  6. Step 6: Final answer
    x = 39,141.37

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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.