Home / 28,681.25-39,580.13-16,106

Finding the Fourth Proportional to 28,681.25, 39,580.13 and 16,106

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Solution

The fourth proportional to 28,681.25, 39,580.13 and 16,106 is: 22,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.25 : 39,580.13 = 16,106 : x
  2. Step 2: Convert to fraction form
    28,681.25/39,580.13 = 16,106/x
  3. Step 3: Cross multiply
    28,681.25x = 39,580.13 × 16,106
  4. Step 4: Simplify right side
    28,681.25x = 637,477,493.25
  5. Step 5: Solve for x
    x = 637,477,493.25/28,681.25
  6. Step 6: Final answer
    x = 22,226.28

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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.