Home / 21,738.77-32,552.36-15,065.76

Finding the Fourth Proportional to 21,738.77, 32,552.36 and 15,065.76

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Solution

The fourth proportional to 21,738.77, 32,552.36 and 15,065.76 is: 22,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.77 : 32,552.36 = 15,065.76 : x
  2. Step 2: Convert to fraction form
    21,738.77/32,552.36 = 15,065.76/x
  3. Step 3: Cross multiply
    21,738.77x = 32,552.36 × 15,065.76
  4. Step 4: Simplify right side
    21,738.77x = 490,426,080.86
  5. Step 5: Solve for x
    x = 490,426,080.86/21,738.77
  6. Step 6: Final answer
    x = 22,559.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.