Home / 28,701.18-39,605.49-16,123.50

Finding the Fourth Proportional to 28,701.18, 39,605.49 and 16,123.50

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Solution

The fourth proportional to 28,701.18, 39,605.49 and 16,123.50 is: 22,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.18 : 39,605.49 = 16,123.50 : x
  2. Step 2: Convert to fraction form
    28,701.18/39,605.49 = 16,123.50/x
  3. Step 3: Cross multiply
    28,701.18x = 39,605.49 × 16,123.50
  4. Step 4: Simplify right side
    28,701.18x = 638,579,118.02
  5. Step 5: Solve for x
    x = 638,579,118.02/28,701.18
  6. Step 6: Final answer
    x = 22,249.23

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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.