Home / 28,981.38-39,994.47-17,045.22

Finding the Fourth Proportional to 28,981.38, 39,994.47 and 17,045.22

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Solution

The fourth proportional to 28,981.38, 39,994.47 and 17,045.22 is: 23,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.38 : 39,994.47 = 17,045.22 : x
  2. Step 2: Convert to fraction form
    28,981.38/39,994.47 = 17,045.22/x
  3. Step 3: Cross multiply
    28,981.38x = 39,994.47 × 17,045.22
  4. Step 4: Simplify right side
    28,981.38x = 681,714,539.93
  5. Step 5: Solve for x
    x = 681,714,539.93/28,981.38
  6. Step 6: Final answer
    x = 23,522.50

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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.