Home / 27,557.81-38,029.73-16,802.68

Finding the Fourth Proportional to 27,557.81, 38,029.73 and 16,802.68

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Solution

The fourth proportional to 27,557.81, 38,029.73 and 16,802.68 is: 23,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.81 : 38,029.73 = 16,802.68 : x
  2. Step 2: Convert to fraction form
    27,557.81/38,029.73 = 16,802.68/x
  3. Step 3: Cross multiply
    27,557.81x = 38,029.73 × 16,802.68
  4. Step 4: Simplify right side
    27,557.81x = 639,001,383.68
  5. Step 5: Solve for x
    x = 639,001,383.68/27,557.81
  6. Step 6: Final answer
    x = 23,187.67

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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.