Home / 28,306.36-42,465.90-9,585.32

Finding the Fourth Proportional to 28,306.36, 42,465.90 and 9,585.32

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Solution

The fourth proportional to 28,306.36, 42,465.90 and 9,585.32 is: 14,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.36 : 42,465.90 = 9,585.32 : x
  2. Step 2: Convert to fraction form
    28,306.36/42,465.90 = 9,585.32/x
  3. Step 3: Cross multiply
    28,306.36x = 42,465.90 × 9,585.32
  4. Step 4: Simplify right side
    28,306.36x = 407,049,240.59
  5. Step 5: Solve for x
    x = 407,049,240.59/28,306.36
  6. Step 6: Final answer
    x = 14,380.13

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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.