Home / 26,579.68-39,870.47-9,047.23

Finding the Fourth Proportional to 26,579.68, 39,870.47 and 9,047.23

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Solution

The fourth proportional to 26,579.68, 39,870.47 and 9,047.23 is: 13,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.68 : 39,870.47 = 9,047.23 : x
  2. Step 2: Convert to fraction form
    26,579.68/39,870.47 = 9,047.23/x
  3. Step 3: Cross multiply
    26,579.68x = 39,870.47 × 9,047.23
  4. Step 4: Simplify right side
    26,579.68x = 360,717,312.30
  5. Step 5: Solve for x
    x = 360,717,312.30/26,579.68
  6. Step 6: Final answer
    x = 13,571.17

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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.