Home / 28,306.37-42,459.96-10,777.16

Finding the Fourth Proportional to 28,306.37, 42,459.96 and 10,777.16

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Solution

The fourth proportional to 28,306.37, 42,459.96 and 10,777.16 is: 16,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.37 : 42,459.96 = 10,777.16 : x
  2. Step 2: Convert to fraction form
    28,306.37/42,459.96 = 10,777.16/x
  3. Step 3: Cross multiply
    28,306.37x = 42,459.96 × 10,777.16
  4. Step 4: Simplify right side
    28,306.37x = 457,597,570.21
  5. Step 5: Solve for x
    x = 457,597,570.21/28,306.37
  6. Step 6: Final answer
    x = 16,165.89

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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.