Home / 27,802.12-38,365.40-16,472.66

Finding the Fourth Proportional to 27,802.12, 38,365.40 and 16,472.66

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Solution

The fourth proportional to 27,802.12, 38,365.40 and 16,472.66 is: 22,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.12 : 38,365.40 = 16,472.66 : x
  2. Step 2: Convert to fraction form
    27,802.12/38,365.40 = 16,472.66/x
  3. Step 3: Cross multiply
    27,802.12x = 38,365.40 × 16,472.66
  4. Step 4: Simplify right side
    27,802.12x = 631,980,039.32
  5. Step 5: Solve for x
    x = 631,980,039.32/27,802.12
  6. Step 6: Final answer
    x = 22,731.36

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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.