Home / 26,890.77-37,108.09-14,955.22

Finding the Fourth Proportional to 26,890.77, 37,108.09 and 14,955.22

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Solution

The fourth proportional to 26,890.77, 37,108.09 and 14,955.22 is: 20,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.77 : 37,108.09 = 14,955.22 : x
  2. Step 2: Convert to fraction form
    26,890.77/37,108.09 = 14,955.22/x
  3. Step 3: Cross multiply
    26,890.77x = 37,108.09 × 14,955.22
  4. Step 4: Simplify right side
    26,890.77x = 554,959,649.73
  5. Step 5: Solve for x
    x = 554,959,649.73/26,890.77
  6. Step 6: Final answer
    x = 20,637.55

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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.