Home / 38,645.26-53,334.74-21,652.28

Finding the Fourth Proportional to 38,645.26, 53,334.74 and 21,652.28

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Solution

The fourth proportional to 38,645.26, 53,334.74 and 21,652.28 is: 29,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645.26 : 53,334.74 = 21,652.28 : x
  2. Step 2: Convert to fraction form
    38,645.26/53,334.74 = 21,652.28/x
  3. Step 3: Cross multiply
    38,645.26x = 53,334.74 × 21,652.28
  4. Step 4: Simplify right side
    38,645.26x = 1,154,818,724.21
  5. Step 5: Solve for x
    x = 1,154,818,724.21/38,645.26
  6. Step 6: Final answer
    x = 29,882.55

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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.