Home / 27,456.71-37,890.29-14,881.46

Finding the Fourth Proportional to 27,456.71, 37,890.29 and 14,881.46

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Solution

The fourth proportional to 27,456.71, 37,890.29 and 14,881.46 is: 20,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.71 : 37,890.29 = 14,881.46 : x
  2. Step 2: Convert to fraction form
    27,456.71/37,890.29 = 14,881.46/x
  3. Step 3: Cross multiply
    27,456.71x = 37,890.29 × 14,881.46
  4. Step 4: Simplify right side
    27,456.71x = 563,862,721.70
  5. Step 5: Solve for x
    x = 563,862,721.70/27,456.71
  6. Step 6: Final answer
    x = 20,536.43

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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.