Home / 19,026.51-28,539.97-8,497.07

Finding the Fourth Proportional to 19,026.51, 28,539.97 and 8,497.07

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Solution

The fourth proportional to 19,026.51, 28,539.97 and 8,497.07 is: 12,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.51 : 28,539.97 = 8,497.07 : x
  2. Step 2: Convert to fraction form
    19,026.51/28,539.97 = 8,497.07/x
  3. Step 3: Cross multiply
    19,026.51x = 28,539.97 × 8,497.07
  4. Step 4: Simplify right side
    19,026.51x = 242,506,065.97
  5. Step 5: Solve for x
    x = 242,506,065.97/19,026.51
  6. Step 6: Final answer
    x = 12,745.69

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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.