Home / 19,740.28-27,249.69-14,075.95

Finding the Fourth Proportional to 19,740.28, 27,249.69 and 14,075.95

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Solution

The fourth proportional to 19,740.28, 27,249.69 and 14,075.95 is: 19,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.28 : 27,249.69 = 14,075.95 : x
  2. Step 2: Convert to fraction form
    19,740.28/27,249.69 = 14,075.95/x
  3. Step 3: Cross multiply
    19,740.28x = 27,249.69 × 14,075.95
  4. Step 4: Simplify right side
    19,740.28x = 383,565,273.96
  5. Step 5: Solve for x
    x = 383,565,273.96/19,740.28
  6. Step 6: Final answer
    x = 19,430.59

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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.