Home / 28,319.13-42,420.36-16,604.10

Finding the Fourth Proportional to 28,319.13, 42,420.36 and 16,604.10

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Solution

The fourth proportional to 28,319.13, 42,420.36 and 16,604.10 is: 24,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.13 : 42,420.36 = 16,604.10 : x
  2. Step 2: Convert to fraction form
    28,319.13/42,420.36 = 16,604.10/x
  3. Step 3: Cross multiply
    28,319.13x = 42,420.36 × 16,604.10
  4. Step 4: Simplify right side
    28,319.13x = 704,351,687.37
  5. Step 5: Solve for x
    x = 704,351,687.37/28,319.13
  6. Step 6: Final answer
    x = 24,871.94

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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.