Home / 19,976.32-29,955.30-5,931.28

Finding the Fourth Proportional to 19,976.32, 29,955.30 and 5,931.28

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Solution

The fourth proportional to 19,976.32, 29,955.30 and 5,931.28 is: 8,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.32 : 29,955.30 = 5,931.28 : x
  2. Step 2: Convert to fraction form
    19,976.32/29,955.30 = 5,931.28/x
  3. Step 3: Cross multiply
    19,976.32x = 29,955.30 × 5,931.28
  4. Step 4: Simplify right side
    19,976.32x = 177,673,271.78
  5. Step 5: Solve for x
    x = 177,673,271.78/19,976.32
  6. Step 6: Final answer
    x = 8,894.19

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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.