Home / 28,596.16-42,920.79-20,599.19

Finding the Fourth Proportional to 28,596.16, 42,920.79 and 20,599.19

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Solution

The fourth proportional to 28,596.16, 42,920.79 and 20,599.19 is: 30,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.16 : 42,920.79 = 20,599.19 : x
  2. Step 2: Convert to fraction form
    28,596.16/42,920.79 = 20,599.19/x
  3. Step 3: Cross multiply
    28,596.16x = 42,920.79 × 20,599.19
  4. Step 4: Simplify right side
    28,596.16x = 884,133,256.55
  5. Step 5: Solve for x
    x = 884,133,256.55/28,596.16
  6. Step 6: Final answer
    x = 30,917.90

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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.