Home / 19,214.28-28,837.89-13,681.17

Finding the Fourth Proportional to 19,214.28, 28,837.89 and 13,681.17

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Solution

The fourth proportional to 19,214.28, 28,837.89 and 13,681.17 is: 20,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.28 : 28,837.89 = 13,681.17 : x
  2. Step 2: Convert to fraction form
    19,214.28/28,837.89 = 13,681.17/x
  3. Step 3: Cross multiply
    19,214.28x = 28,837.89 × 13,681.17
  4. Step 4: Simplify right side
    19,214.28x = 394,536,075.53
  5. Step 5: Solve for x
    x = 394,536,075.53/19,214.28
  6. Step 6: Final answer
    x = 20,533.48

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1.5x scale

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.