Home / 28,327.01-42,490.61-12,726.41

Finding the Fourth Proportional to 28,327.01, 42,490.61 and 12,726.41

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Solution

The fourth proportional to 28,327.01, 42,490.61 and 12,726.41 is: 19,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.01 : 42,490.61 = 12,726.41 : x
  2. Step 2: Convert to fraction form
    28,327.01/42,490.61 = 12,726.41/x
  3. Step 3: Cross multiply
    28,327.01x = 42,490.61 × 12,726.41
  4. Step 4: Simplify right side
    28,327.01x = 540,752,647.93
  5. Step 5: Solve for x
    x = 540,752,647.93/28,327.01
  6. Step 6: Final answer
    x = 19,089.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.