Home / 28,082.77-38,752.63-16,765.05

Finding the Fourth Proportional to 28,082.77, 38,752.63 and 16,765.05

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Solution

The fourth proportional to 28,082.77, 38,752.63 and 16,765.05 is: 23,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.77 : 38,752.63 = 16,765.05 : x
  2. Step 2: Convert to fraction form
    28,082.77/38,752.63 = 16,765.05/x
  3. Step 3: Cross multiply
    28,082.77x = 38,752.63 × 16,765.05
  4. Step 4: Simplify right side
    28,082.77x = 649,689,779.58
  5. Step 5: Solve for x
    x = 649,689,779.58/28,082.77
  6. Step 6: Final answer
    x = 23,134.82

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1.5x scale

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.