Home / 28,818.27-39,762.36-16,243.02

Finding the Fourth Proportional to 28,818.27, 39,762.36 and 16,243.02

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Solution

The fourth proportional to 28,818.27, 39,762.36 and 16,243.02 is: 22,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.27 : 39,762.36 = 16,243.02 : x
  2. Step 2: Convert to fraction form
    28,818.27/39,762.36 = 16,243.02/x
  3. Step 3: Cross multiply
    28,818.27x = 39,762.36 × 16,243.02
  4. Step 4: Simplify right side
    28,818.27x = 645,860,808.73
  5. Step 5: Solve for x
    x = 645,860,808.73/28,818.27
  6. Step 6: Final answer
    x = 22,411.51

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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.