Home / 27,456.64-37,890.36-14,881.39

Finding the Fourth Proportional to 27,456.64, 37,890.36 and 14,881.39

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Solution

The fourth proportional to 27,456.64, 37,890.36 and 14,881.39 is: 20,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.64 : 37,890.36 = 14,881.39 : x
  2. Step 2: Convert to fraction form
    27,456.64/37,890.36 = 14,881.39/x
  3. Step 3: Cross multiply
    27,456.64x = 37,890.36 × 14,881.39
  4. Step 4: Simplify right side
    27,456.64x = 563,861,129.67
  5. Step 5: Solve for x
    x = 563,861,129.67/27,456.64
  6. Step 6: Final answer
    x = 20,536.42

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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.