Home / 27,077.09-37,366.46-15,143.25

Finding the Fourth Proportional to 27,077.09, 37,366.46 and 15,143.25

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Solution

The fourth proportional to 27,077.09, 37,366.46 and 15,143.25 is: 20,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.09 : 37,366.46 = 15,143.25 : x
  2. Step 2: Convert to fraction form
    27,077.09/37,366.46 = 15,143.25/x
  3. Step 3: Cross multiply
    27,077.09x = 37,366.46 × 15,143.25
  4. Step 4: Simplify right side
    27,077.09x = 565,849,851.77
  5. Step 5: Solve for x
    x = 565,849,851.77/27,077.09
  6. Step 6: Final answer
    x = 20,897.74

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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.