Home / 19,127.56-28,695.39-5,980.92

Finding the Fourth Proportional to 19,127.56, 28,695.39 and 5,980.92

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Solution

The fourth proportional to 19,127.56, 28,695.39 and 5,980.92 is: 8,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.56 : 28,695.39 = 5,980.92 : x
  2. Step 2: Convert to fraction form
    19,127.56/28,695.39 = 5,980.92/x
  3. Step 3: Cross multiply
    19,127.56x = 28,695.39 × 5,980.92
  4. Step 4: Simplify right side
    19,127.56x = 171,624,802.05
  5. Step 5: Solve for x
    x = 171,624,802.05/19,127.56
  6. Step 6: Final answer
    x = 8,972.65

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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.