Home / 28,264.48-38,997.12-18,846.88

Finding the Fourth Proportional to 28,264.48, 38,997.12 and 18,846.88

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Solution

The fourth proportional to 28,264.48, 38,997.12 and 18,846.88 is: 26,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.48 : 38,997.12 = 18,846.88 : x
  2. Step 2: Convert to fraction form
    28,264.48/38,997.12 = 18,846.88/x
  3. Step 3: Cross multiply
    28,264.48x = 38,997.12 × 18,846.88
  4. Step 4: Simplify right side
    28,264.48x = 734,974,040.99
  5. Step 5: Solve for x
    x = 734,974,040.99/28,264.48
  6. Step 6: Final answer
    x = 26,003.45

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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.