Home / 56,278.76-84,420.96-16,836.20

Finding the Fourth Proportional to 56,278.76, 84,420.96 and 16,836.20

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Solution

The fourth proportional to 56,278.76, 84,420.96 and 16,836.20 is: 25,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,278.76 : 84,420.96 = 16,836.20 : x
  2. Step 2: Convert to fraction form
    56,278.76/84,420.96 = 16,836.20/x
  3. Step 3: Cross multiply
    56,278.76x = 84,420.96 × 16,836.20
  4. Step 4: Simplify right side
    56,278.76x = 1,421,328,166.75
  5. Step 5: Solve for x
    x = 1,421,328,166.75/56,278.76
  6. Step 6: Final answer
    x = 25,255.14

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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.