Home / 19,739.28-27,248.31-14,074.95

Finding the Fourth Proportional to 19,739.28, 27,248.31 and 14,074.95

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Solution

The fourth proportional to 19,739.28, 27,248.31 and 14,074.95 is: 19,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.28 : 27,248.31 = 14,074.95 : x
  2. Step 2: Convert to fraction form
    19,739.28/27,248.31 = 14,074.95/x
  3. Step 3: Cross multiply
    19,739.28x = 27,248.31 × 14,074.95
  4. Step 4: Simplify right side
    19,739.28x = 383,518,600.83
  5. Step 5: Solve for x
    x = 383,518,600.83/19,739.28
  6. Step 6: Final answer
    x = 19,429.21

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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.