Home / 19,639.68-27,095.52-12,929.16

Finding the Fourth Proportional to 19,639.68, 27,095.52 and 12,929.16

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Solution

The fourth proportional to 19,639.68, 27,095.52 and 12,929.16 is: 17,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.68 : 27,095.52 = 12,929.16 : x
  2. Step 2: Convert to fraction form
    19,639.68/27,095.52 = 12,929.16/x
  3. Step 3: Cross multiply
    19,639.68x = 27,095.52 × 12,929.16
  4. Step 4: Simplify right side
    19,639.68x = 350,322,313.36
  5. Step 5: Solve for x
    x = 350,322,313.36/19,639.68
  6. Step 6: Final answer
    x = 17,837.48

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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.