Home / 19,000.44-28,500.30-4,959.36

Finding the Fourth Proportional to 19,000.44, 28,500.30 and 4,959.36

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Solution

The fourth proportional to 19,000.44, 28,500.30 and 4,959.36 is: 7,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.44 : 28,500.30 = 4,959.36 : x
  2. Step 2: Convert to fraction form
    19,000.44/28,500.30 = 4,959.36/x
  3. Step 3: Cross multiply
    19,000.44x = 28,500.30 × 4,959.36
  4. Step 4: Simplify right side
    19,000.44x = 141,343,247.81
  5. Step 5: Solve for x
    x = 141,343,247.81/19,000.44
  6. Step 6: Final answer
    x = 7,438.95

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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.