Home / 28,598.16-42,923.79-20,601.19

Finding the Fourth Proportional to 28,598.16, 42,923.79 and 20,601.19

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Solution

The fourth proportional to 28,598.16, 42,923.79 and 20,601.19 is: 30,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.16 : 42,923.79 = 20,601.19 : x
  2. Step 2: Convert to fraction form
    28,598.16/42,923.79 = 20,601.19/x
  3. Step 3: Cross multiply
    28,598.16x = 42,923.79 × 20,601.19
  4. Step 4: Simplify right side
    28,598.16x = 884,281,153.31
  5. Step 5: Solve for x
    x = 884,281,153.31/28,598.16
  6. Step 6: Final answer
    x = 30,920.91

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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.