Home / 28,054.78-42,082.12-16,359.80

Finding the Fourth Proportional to 28,054.78, 42,082.12 and 16,359.80

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Solution

The fourth proportional to 28,054.78, 42,082.12 and 16,359.80 is: 24,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.78 : 42,082.12 = 16,359.80 : x
  2. Step 2: Convert to fraction form
    28,054.78/42,082.12 = 16,359.80/x
  3. Step 3: Cross multiply
    28,054.78x = 42,082.12 × 16,359.80
  4. Step 4: Simplify right side
    28,054.78x = 688,455,066.78
  5. Step 5: Solve for x
    x = 688,455,066.78/28,054.78
  6. Step 6: Final answer
    x = 24,539.67

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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.