Home / 28,681.28-39,583.80-16,106

Finding the Fourth Proportional to 28,681.28, 39,583.80 and 16,106

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Solution

The fourth proportional to 28,681.28, 39,583.80 and 16,106 is: 22,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.28 : 39,583.80 = 16,106 : x
  2. Step 2: Convert to fraction form
    28,681.28/39,583.80 = 16,106/x
  3. Step 3: Cross multiply
    28,681.28x = 39,583.80 × 16,106
  4. Step 4: Simplify right side
    28,681.28x = 637,536,682.80
  5. Step 5: Solve for x
    x = 637,536,682.80/28,681.28
  6. Step 6: Final answer
    x = 22,228.32

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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.