Home / 19,075.68-28,614.08-5,224.80

Finding the Fourth Proportional to 19,075.68, 28,614.08 and 5,224.80

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Solution

The fourth proportional to 19,075.68, 28,614.08 and 5,224.80 is: 7,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.68 : 28,614.08 = 5,224.80 : x
  2. Step 2: Convert to fraction form
    19,075.68/28,614.08 = 5,224.80/x
  3. Step 3: Cross multiply
    19,075.68x = 28,614.08 × 5,224.80
  4. Step 4: Simplify right side
    19,075.68x = 149,502,845.18
  5. Step 5: Solve for x
    x = 149,502,845.18/19,075.68
  6. Step 6: Final answer
    x = 7,837.35

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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.