Home / 28,429.95-42,589.51-17,309.06

Finding the Fourth Proportional to 28,429.95, 42,589.51 and 17,309.06

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Solution

The fourth proportional to 28,429.95, 42,589.51 and 17,309.06 is: 25,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.95 : 42,589.51 = 17,309.06 : x
  2. Step 2: Convert to fraction form
    28,429.95/42,589.51 = 17,309.06/x
  3. Step 3: Cross multiply
    28,429.95x = 42,589.51 × 17,309.06
  4. Step 4: Simplify right side
    28,429.95x = 737,184,383.96
  5. Step 5: Solve for x
    x = 737,184,383.96/28,429.95
  6. Step 6: Final answer
    x = 25,929.85

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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.