Home / 27,802.21-38,365.53-16,472.75

Finding the Fourth Proportional to 27,802.21, 38,365.53 and 16,472.75

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Solution

The fourth proportional to 27,802.21, 38,365.53 and 16,472.75 is: 22,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.21 : 38,365.53 = 16,472.75 : x
  2. Step 2: Convert to fraction form
    27,802.21/38,365.53 = 16,472.75/x
  3. Step 3: Cross multiply
    27,802.21x = 38,365.53 × 16,472.75
  4. Step 4: Simplify right side
    27,802.21x = 631,985,839.17
  5. Step 5: Solve for x
    x = 631,985,839.17/27,802.21
  6. Step 6: Final answer
    x = 22,731.49

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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.