Home / 28,323.16-39,082.52-15,574.24

Finding the Fourth Proportional to 28,323.16, 39,082.52 and 15,574.24

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Solution

The fourth proportional to 28,323.16, 39,082.52 and 15,574.24 is: 21,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.16 : 39,082.52 = 15,574.24 : x
  2. Step 2: Convert to fraction form
    28,323.16/39,082.52 = 15,574.24/x
  3. Step 3: Cross multiply
    28,323.16x = 39,082.52 × 15,574.24
  4. Step 4: Simplify right side
    28,323.16x = 608,680,546.28
  5. Step 5: Solve for x
    x = 608,680,546.28/28,323.16
  6. Step 6: Final answer
    x = 21,490.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.