Home / 38,281.25-52,829.88-21,287.23

Finding the Fourth Proportional to 38,281.25, 52,829.88 and 21,287.23

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Solution

The fourth proportional to 38,281.25, 52,829.88 and 21,287.23 is: 29,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.25 : 52,829.88 = 21,287.23 : x
  2. Step 2: Convert to fraction form
    38,281.25/52,829.88 = 21,287.23/x
  3. Step 3: Cross multiply
    38,281.25x = 52,829.88 × 21,287.23
  4. Step 4: Simplify right side
    38,281.25x = 1,124,601,806.43
  5. Step 5: Solve for x
    x = 1,124,601,806.43/38,281.25
  6. Step 6: Final answer
    x = 29,377.35

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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.