Home / 20,048.78-27,603.99-17,657.10

Finding the Fourth Proportional to 20,048.78, 27,603.99 and 17,657.10

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Solution

The fourth proportional to 20,048.78, 27,603.99 and 17,657.10 is: 24,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.78 : 27,603.99 = 17,657.10 : x
  2. Step 2: Convert to fraction form
    20,048.78/27,603.99 = 17,657.10/x
  3. Step 3: Cross multiply
    20,048.78x = 27,603.99 × 17,657.10
  4. Step 4: Simplify right side
    20,048.78x = 487,406,411.83
  5. Step 5: Solve for x
    x = 487,406,411.83/20,048.78
  6. Step 6: Final answer
    x = 24,311.02

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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.