Home / 27,339.51-37,728.53-15,402.84

Finding the Fourth Proportional to 27,339.51, 37,728.53 and 15,402.84

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Solution

The fourth proportional to 27,339.51, 37,728.53 and 15,402.84 is: 21,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.51 : 37,728.53 = 15,402.84 : x
  2. Step 2: Convert to fraction form
    27,339.51/37,728.53 = 15,402.84/x
  3. Step 3: Cross multiply
    27,339.51x = 37,728.53 × 15,402.84
  4. Step 4: Simplify right side
    27,339.51x = 581,126,434.01
  5. Step 5: Solve for x
    x = 581,126,434.01/27,339.51
  6. Step 6: Final answer
    x = 21,255.92

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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.