Home / 21,353.32-32,031.66-5,770.72

Finding the Fourth Proportional to 21,353.32, 32,031.66 and 5,770.72

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Solution

The fourth proportional to 21,353.32, 32,031.66 and 5,770.72 is: 8,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.32 : 32,031.66 = 5,770.72 : x
  2. Step 2: Convert to fraction form
    21,353.32/32,031.66 = 5,770.72/x
  3. Step 3: Cross multiply
    21,353.32x = 32,031.66 × 5,770.72
  4. Step 4: Simplify right side
    21,353.32x = 184,845,741.00
  5. Step 5: Solve for x
    x = 184,845,741.00/21,353.32
  6. Step 6: Final answer
    x = 8,656.53

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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.