Home / 19,008.36-28,513.98-5,157

Finding the Fourth Proportional to 19,008.36, 28,513.98 and 5,157

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Solution

The fourth proportional to 19,008.36, 28,513.98 and 5,157 is: 7,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.36 : 28,513.98 = 5,157 : x
  2. Step 2: Convert to fraction form
    19,008.36/28,513.98 = 5,157/x
  3. Step 3: Cross multiply
    19,008.36x = 28,513.98 × 5,157
  4. Step 4: Simplify right side
    19,008.36x = 147,046,594.86
  5. Step 5: Solve for x
    x = 147,046,594.86/19,008.36
  6. Step 6: Final answer
    x = 7,735.89

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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.