Home / 27,218.07-40,772.43-19,838.16

Finding the Fourth Proportional to 27,218.07, 40,772.43 and 19,838.16

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Solution

The fourth proportional to 27,218.07, 40,772.43 and 19,838.16 is: 29,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.07 : 40,772.43 = 19,838.16 : x
  2. Step 2: Convert to fraction form
    27,218.07/40,772.43 = 19,838.16/x
  3. Step 3: Cross multiply
    27,218.07x = 40,772.43 × 19,838.16
  4. Step 4: Simplify right side
    27,218.07x = 808,849,989.93
  5. Step 5: Solve for x
    x = 808,849,989.93/27,218.07
  6. Step 6: Final answer
    x = 29,717.39

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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.