Home / 28,642.94-39,518.32-16,541.87

Finding the Fourth Proportional to 28,642.94, 39,518.32 and 16,541.87

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Solution

The fourth proportional to 28,642.94, 39,518.32 and 16,541.87 is: 22,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.94 : 39,518.32 = 16,541.87 : x
  2. Step 2: Convert to fraction form
    28,642.94/39,518.32 = 16,541.87/x
  3. Step 3: Cross multiply
    28,642.94x = 39,518.32 × 16,541.87
  4. Step 4: Simplify right side
    28,642.94x = 653,707,049.91
  5. Step 5: Solve for x
    x = 653,707,049.91/28,642.94
  6. Step 6: Final answer
    x = 22,822.62

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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.