Home / 28,319.88-42,421.49-16,604.85

Finding the Fourth Proportional to 28,319.88, 42,421.49 and 16,604.85

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Solution

The fourth proportional to 28,319.88, 42,421.49 and 16,604.85 is: 24,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.88 : 42,421.49 = 16,604.85 : x
  2. Step 2: Convert to fraction form
    28,319.88/42,421.49 = 16,604.85/x
  3. Step 3: Cross multiply
    28,319.88x = 42,421.49 × 16,604.85
  4. Step 4: Simplify right side
    28,319.88x = 704,402,395.20
  5. Step 5: Solve for x
    x = 704,402,395.20/28,319.88
  6. Step 6: Final answer
    x = 24,873.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.