Home / 20,298.16-28,000.92-13,576.24

Finding the Fourth Proportional to 20,298.16, 28,000.92 and 13,576.24

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Solution

The fourth proportional to 20,298.16, 28,000.92 and 13,576.24 is: 18,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.16 : 28,000.92 = 13,576.24 : x
  2. Step 2: Convert to fraction form
    20,298.16/28,000.92 = 13,576.24/x
  3. Step 3: Cross multiply
    20,298.16x = 28,000.92 × 13,576.24
  4. Step 4: Simplify right side
    20,298.16x = 380,147,210.14
  5. Step 5: Solve for x
    x = 380,147,210.14/20,298.16
  6. Step 6: Final answer
    x = 18,728.16

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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.