Home / 19,578.87-27,019.04-10,626.45

Finding the Fourth Proportional to 19,578.87, 27,019.04 and 10,626.45

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Solution

The fourth proportional to 19,578.87, 27,019.04 and 10,626.45 is: 14,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.87 : 27,019.04 = 10,626.45 : x
  2. Step 2: Convert to fraction form
    19,578.87/27,019.04 = 10,626.45/x
  3. Step 3: Cross multiply
    19,578.87x = 27,019.04 × 10,626.45
  4. Step 4: Simplify right side
    19,578.87x = 287,116,323.15
  5. Step 5: Solve for x
    x = 287,116,323.15/19,578.87
  6. Step 6: Final answer
    x = 14,664.60

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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.