Home / 28,803.89-39,754.46-22,880.77

Finding the Fourth Proportional to 28,803.89, 39,754.46 and 22,880.77

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Solution

The fourth proportional to 28,803.89, 39,754.46 and 22,880.77 is: 31,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.89 : 39,754.46 = 22,880.77 : x
  2. Step 2: Convert to fraction form
    28,803.89/39,754.46 = 22,880.77/x
  3. Step 3: Cross multiply
    28,803.89x = 39,754.46 × 22,880.77
  4. Step 4: Simplify right side
    28,803.89x = 909,612,655.73
  5. Step 5: Solve for x
    x = 909,612,655.73/28,803.89
  6. Step 6: Final answer
    x = 31,579.51

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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.