Home / 28,257.55-38,995.00-16,157.90

Finding the Fourth Proportional to 28,257.55, 38,995.00 and 16,157.90

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Solution

The fourth proportional to 28,257.55, 38,995.00 and 16,157.90 is: 22,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.55 : 38,995.00 = 16,157.90 : x
  2. Step 2: Convert to fraction form
    28,257.55/38,995.00 = 16,157.90/x
  3. Step 3: Cross multiply
    28,257.55x = 38,995.00 × 16,157.90
  4. Step 4: Simplify right side
    28,257.55x = 630,077,458.48
  5. Step 5: Solve for x
    x = 630,077,458.48/28,257.55
  6. Step 6: Final answer
    x = 22,297.67

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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.