Home / 28,937.27-39,931.80-16,187.99

Finding the Fourth Proportional to 28,937.27, 39,931.80 and 16,187.99

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Solution

The fourth proportional to 28,937.27, 39,931.80 and 16,187.99 is: 22,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.27 : 39,931.80 = 16,187.99 : x
  2. Step 2: Convert to fraction form
    28,937.27/39,931.80 = 16,187.99/x
  3. Step 3: Cross multiply
    28,937.27x = 39,931.80 × 16,187.99
  4. Step 4: Simplify right side
    28,937.27x = 646,415,379.42
  5. Step 5: Solve for x
    x = 646,415,379.42/28,937.27
  6. Step 6: Final answer
    x = 22,338.51

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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.