Home / 20,524.56-28,315.90-11,570.02

Finding the Fourth Proportional to 20,524.56, 28,315.90 and 11,570.02

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Solution

The fourth proportional to 20,524.56, 28,315.90 and 11,570.02 is: 15,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.56 : 28,315.90 = 11,570.02 : x
  2. Step 2: Convert to fraction form
    20,524.56/28,315.90 = 11,570.02/x
  3. Step 3: Cross multiply
    20,524.56x = 28,315.90 × 11,570.02
  4. Step 4: Simplify right side
    20,524.56x = 327,615,529.32
  5. Step 5: Solve for x
    x = 327,615,529.32/20,524.56
  6. Step 6: Final answer
    x = 15,962.12

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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.