Home / 19,579.40-27,019.58-10,626.89

Finding the Fourth Proportional to 19,579.40, 27,019.58 and 10,626.89

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Solution

The fourth proportional to 19,579.40, 27,019.58 and 10,626.89 is: 14,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.40 : 27,019.58 = 10,626.89 : x
  2. Step 2: Convert to fraction form
    19,579.40/27,019.58 = 10,626.89/x
  3. Step 3: Cross multiply
    19,579.40x = 27,019.58 × 10,626.89
  4. Step 4: Simplify right side
    19,579.40x = 287,133,916.27
  5. Step 5: Solve for x
    x = 287,133,916.27/19,579.40
  6. Step 6: Final answer
    x = 14,665.11

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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.