Home / 26,990.63-37,253.74-18,391.03

Finding the Fourth Proportional to 26,990.63, 37,253.74 and 18,391.03

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Solution

The fourth proportional to 26,990.63, 37,253.74 and 18,391.03 is: 25,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.63 : 37,253.74 = 18,391.03 : x
  2. Step 2: Convert to fraction form
    26,990.63/37,253.74 = 18,391.03/x
  3. Step 3: Cross multiply
    26,990.63x = 37,253.74 × 18,391.03
  4. Step 4: Simplify right side
    26,990.63x = 685,134,649.95
  5. Step 5: Solve for x
    x = 685,134,649.95/26,990.63
  6. Step 6: Final answer
    x = 25,384.17

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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.