Home / 27,055.89-37,341.95-15,728.99

Finding the Fourth Proportional to 27,055.89, 37,341.95 and 15,728.99

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Solution

The fourth proportional to 27,055.89, 37,341.95 and 15,728.99 is: 21,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.89 : 37,341.95 = 15,728.99 : x
  2. Step 2: Convert to fraction form
    27,055.89/37,341.95 = 15,728.99/x
  3. Step 3: Cross multiply
    27,055.89x = 37,341.95 × 15,728.99
  4. Step 4: Simplify right side
    27,055.89x = 587,350,892.78
  5. Step 5: Solve for x
    x = 587,350,892.78/27,055.89
  6. Step 6: Final answer
    x = 21,708.80

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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.