Home / 19,678.95-27,157.52-10,727.03

Finding the Fourth Proportional to 19,678.95, 27,157.52 and 10,727.03

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Solution

The fourth proportional to 19,678.95, 27,157.52 and 10,727.03 is: 14,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.95 : 27,157.52 = 10,727.03 : x
  2. Step 2: Convert to fraction form
    19,678.95/27,157.52 = 10,727.03/x
  3. Step 3: Cross multiply
    19,678.95x = 27,157.52 × 10,727.03
  4. Step 4: Simplify right side
    19,678.95x = 291,319,626.48
  5. Step 5: Solve for x
    x = 291,319,626.48/19,678.95
  6. Step 6: Final answer
    x = 14,803.62

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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.