Home / 28,035.29-42,005.33-16,918.62

Finding the Fourth Proportional to 28,035.29, 42,005.33 and 16,918.62

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Solution

The fourth proportional to 28,035.29, 42,005.33 and 16,918.62 is: 25,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.29 : 42,005.33 = 16,918.62 : x
  2. Step 2: Convert to fraction form
    28,035.29/42,005.33 = 16,918.62/x
  3. Step 3: Cross multiply
    28,035.29x = 42,005.33 × 16,918.62
  4. Step 4: Simplify right side
    28,035.29x = 710,672,173.95
  5. Step 5: Solve for x
    x = 710,672,173.95/28,035.29
  6. Step 6: Final answer
    x = 25,349.20

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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.