Home / 39,288.28-58,921.44-15,585.16

Finding the Fourth Proportional to 39,288.28, 58,921.44 and 15,585.16

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Solution

The fourth proportional to 39,288.28, 58,921.44 and 15,585.16 is: 23,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,288.28 : 58,921.44 = 15,585.16 : x
  2. Step 2: Convert to fraction form
    39,288.28/58,921.44 = 15,585.16/x
  3. Step 3: Cross multiply
    39,288.28x = 58,921.44 × 15,585.16
  4. Step 4: Simplify right side
    39,288.28x = 918,300,069.83
  5. Step 5: Solve for x
    x = 918,300,069.83/39,288.28
  6. Step 6: Final answer
    x = 23,373.38

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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.