Home / 27,347.24-37,738.74-15,411.80

Finding the Fourth Proportional to 27,347.24, 37,738.74 and 15,411.80

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Solution

The fourth proportional to 27,347.24, 37,738.74 and 15,411.80 is: 21,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,347.24 : 37,738.74 = 15,411.80 : x
  2. Step 2: Convert to fraction form
    27,347.24/37,738.74 = 15,411.80/x
  3. Step 3: Cross multiply
    27,347.24x = 37,738.74 × 15,411.80
  4. Step 4: Simplify right side
    27,347.24x = 581,621,913.13
  5. Step 5: Solve for x
    x = 581,621,913.13/27,347.24
  6. Step 6: Final answer
    x = 21,268.03

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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.