Home / 28,512.60-39,346.23-16,575

Finding the Fourth Proportional to 28,512.60, 39,346.23 and 16,575

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Solution

The fourth proportional to 28,512.60, 39,346.23 and 16,575 is: 22,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.60 : 39,346.23 = 16,575 : x
  2. Step 2: Convert to fraction form
    28,512.60/39,346.23 = 16,575/x
  3. Step 3: Cross multiply
    28,512.60x = 39,346.23 × 16,575
  4. Step 4: Simplify right side
    28,512.60x = 652,163,762.25
  5. Step 5: Solve for x
    x = 652,163,762.25/28,512.60
  6. Step 6: Final answer
    x = 22,872.83

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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.