Home / 28,803.93-39,767.55-22,076.88

Finding the Fourth Proportional to 28,803.93, 39,767.55 and 22,076.88

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Solution

The fourth proportional to 28,803.93, 39,767.55 and 22,076.88 is: 30,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.93 : 39,767.55 = 22,076.88 : x
  2. Step 2: Convert to fraction form
    28,803.93/39,767.55 = 22,076.88/x
  3. Step 3: Cross multiply
    28,803.93x = 39,767.55 × 22,076.88
  4. Step 4: Simplify right side
    28,803.93x = 877,943,429.24
  5. Step 5: Solve for x
    x = 877,943,429.24/28,803.93
  6. Step 6: Final answer
    x = 30,479.99

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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.