Home / 27,516.40-37,971.12-16,187.20

Finding the Fourth Proportional to 27,516.40, 37,971.12 and 16,187.20

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Solution

The fourth proportional to 27,516.40, 37,971.12 and 16,187.20 is: 22,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516.40 : 37,971.12 = 16,187.20 : x
  2. Step 2: Convert to fraction form
    27,516.40/37,971.12 = 16,187.20/x
  3. Step 3: Cross multiply
    27,516.40x = 37,971.12 × 16,187.20
  4. Step 4: Simplify right side
    27,516.40x = 614,646,113.66
  5. Step 5: Solve for x
    x = 614,646,113.66/27,516.40
  6. Step 6: Final answer
    x = 22,337.45

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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.