Home / 38,525.76-53,161.38-21,526.56

Finding the Fourth Proportional to 38,525.76, 53,161.38 and 21,526.56

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Solution

The fourth proportional to 38,525.76, 53,161.38 and 21,526.56 is: 29,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.76 : 53,161.38 = 21,526.56 : x
  2. Step 2: Convert to fraction form
    38,525.76/53,161.38 = 21,526.56/x
  3. Step 3: Cross multiply
    38,525.76x = 53,161.38 × 21,526.56
  4. Step 4: Simplify right side
    38,525.76x = 1,144,381,636.25
  5. Step 5: Solve for x
    x = 1,144,381,636.25/38,525.76
  6. Step 6: Final answer
    x = 29,704.32

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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.