Home / 27,802.56-38,376.89-16,900.66

Finding the Fourth Proportional to 27,802.56, 38,376.89 and 16,900.66

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Solution

The fourth proportional to 27,802.56, 38,376.89 and 16,900.66 is: 23,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.56 : 38,376.89 = 16,900.66 : x
  2. Step 2: Convert to fraction form
    27,802.56/38,376.89 = 16,900.66/x
  3. Step 3: Cross multiply
    27,802.56x = 38,376.89 × 16,900.66
  4. Step 4: Simplify right side
    27,802.56x = 648,594,589.30
  5. Step 5: Solve for x
    x = 648,594,589.30/27,802.56
  6. Step 6: Final answer
    x = 23,328.59

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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.