Home / 28,663.92-42,995.62-15,599.32

Finding the Fourth Proportional to 28,663.92, 42,995.62 and 15,599.32

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Solution

The fourth proportional to 28,663.92, 42,995.62 and 15,599.32 is: 23,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.92 : 42,995.62 = 15,599.32 : x
  2. Step 2: Convert to fraction form
    28,663.92/42,995.62 = 15,599.32/x
  3. Step 3: Cross multiply
    28,663.92x = 42,995.62 × 15,599.32
  4. Step 4: Simplify right side
    28,663.92x = 670,702,434.98
  5. Step 5: Solve for x
    x = 670,702,434.98/28,663.92
  6. Step 6: Final answer
    x = 23,398.84

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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.