Home / 19,029.36-28,516.50-13,100.16

Finding the Fourth Proportional to 19,029.36, 28,516.50 and 13,100.16

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Solution

The fourth proportional to 19,029.36, 28,516.50 and 13,100.16 is: 19,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.36 : 28,516.50 = 13,100.16 : x
  2. Step 2: Convert to fraction form
    19,029.36/28,516.50 = 13,100.16/x
  3. Step 3: Cross multiply
    19,029.36x = 28,516.50 × 13,100.16
  4. Step 4: Simplify right side
    19,029.36x = 373,570,712.64
  5. Step 5: Solve for x
    x = 373,570,712.64/19,029.36
  6. Step 6: Final answer
    x = 19,631.28

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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.