Home / 20,298.32-30,432.72-13,708.16

Finding the Fourth Proportional to 20,298.32, 30,432.72 and 13,708.16

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Solution

The fourth proportional to 20,298.32, 30,432.72 and 13,708.16 is: 20,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.32 : 30,432.72 = 13,708.16 : x
  2. Step 2: Convert to fraction form
    20,298.32/30,432.72 = 13,708.16/x
  3. Step 3: Cross multiply
    20,298.32x = 30,432.72 × 13,708.16
  4. Step 4: Simplify right side
    20,298.32x = 417,176,595.00
  5. Step 5: Solve for x
    x = 417,176,595.00/20,298.32
  6. Step 6: Final answer
    x = 20,552.27

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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.