Home / 27,061.09-37,320.12-16,990.47

Finding the Fourth Proportional to 27,061.09, 37,320.12 and 16,990.47

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Solution

The fourth proportional to 27,061.09, 37,320.12 and 16,990.47 is: 23,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061.09 : 37,320.12 = 16,990.47 : x
  2. Step 2: Convert to fraction form
    27,061.09/37,320.12 = 16,990.47/x
  3. Step 3: Cross multiply
    27,061.09x = 37,320.12 × 16,990.47
  4. Step 4: Simplify right side
    27,061.09x = 634,086,379.26
  5. Step 5: Solve for x
    x = 634,086,379.26/27,061.09
  6. Step 6: Final answer
    x = 23,431.67

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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.