Home / 38,827.40-53,582.44-21,835.22

Finding the Fourth Proportional to 38,827.40, 53,582.44 and 21,835.22

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Solution

The fourth proportional to 38,827.40, 53,582.44 and 21,835.22 is: 30,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827.40 : 53,582.44 = 21,835.22 : x
  2. Step 2: Convert to fraction form
    38,827.40/53,582.44 = 21,835.22/x
  3. Step 3: Cross multiply
    38,827.40x = 53,582.44 × 21,835.22
  4. Step 4: Simplify right side
    38,827.40x = 1,169,984,365.54
  5. Step 5: Solve for x
    x = 1,169,984,365.54/38,827.40
  6. Step 6: Final answer
    x = 30,132.96

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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.