Home / 20,482.01-28,267.30-12,529.53

Finding the Fourth Proportional to 20,482.01, 28,267.30 and 12,529.53

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Solution

The fourth proportional to 20,482.01, 28,267.30 and 12,529.53 is: 17,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.01 : 28,267.30 = 12,529.53 : x
  2. Step 2: Convert to fraction form
    20,482.01/28,267.30 = 12,529.53/x
  3. Step 3: Cross multiply
    20,482.01x = 28,267.30 × 12,529.53
  4. Step 4: Simplify right side
    20,482.01x = 354,175,983.37
  5. Step 5: Solve for x
    x = 354,175,983.37/20,482.01
  6. Step 6: Final answer
    x = 17,292.05

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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.