Home / 27,130.07-40,706.71-13,991.66

Finding the Fourth Proportional to 27,130.07, 40,706.71 and 13,991.66

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Solution

The fourth proportional to 27,130.07, 40,706.71 and 13,991.66 is: 20,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.07 : 40,706.71 = 13,991.66 : x
  2. Step 2: Convert to fraction form
    27,130.07/40,706.71 = 13,991.66/x
  3. Step 3: Cross multiply
    27,130.07x = 40,706.71 × 13,991.66
  4. Step 4: Simplify right side
    27,130.07x = 569,554,582.78
  5. Step 5: Solve for x
    x = 569,554,582.78/27,130.07
  6. Step 6: Final answer
    x = 20,993.48

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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.