Home / 19,680.32-27,158.67-10,727.82

Finding the Fourth Proportional to 19,680.32, 27,158.67 and 10,727.82

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Solution

The fourth proportional to 19,680.32, 27,158.67 and 10,727.82 is: 14,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.32 : 27,158.67 = 10,727.82 : x
  2. Step 2: Convert to fraction form
    19,680.32/27,158.67 = 10,727.82/x
  3. Step 3: Cross multiply
    19,680.32x = 27,158.67 × 10,727.82
  4. Step 4: Simplify right side
    19,680.32x = 291,353,323.20
  5. Step 5: Solve for x
    x = 291,353,323.20/19,680.32
  6. Step 6: Final answer
    x = 14,804.30

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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.