Home / 43,278.16-64,926.96-13,697.76

Finding the Fourth Proportional to 43,278.16, 64,926.96 and 13,697.76

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Solution

The fourth proportional to 43,278.16, 64,926.96 and 13,697.76 is: 20,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.16 : 64,926.96 = 13,697.76 : x
  2. Step 2: Convert to fraction form
    43,278.16/64,926.96 = 13,697.76/x
  3. Step 3: Cross multiply
    43,278.16x = 64,926.96 × 13,697.76
  4. Step 4: Simplify right side
    43,278.16x = 889,353,915.61
  5. Step 5: Solve for x
    x = 889,353,915.61/43,278.16
  6. Step 6: Final answer
    x = 20,549.72

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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.