Home / 19,088.08-28,638.24-13,552.36

Finding the Fourth Proportional to 19,088.08, 28,638.24 and 13,552.36

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Solution

The fourth proportional to 19,088.08, 28,638.24 and 13,552.36 is: 20,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.08 : 28,638.24 = 13,552.36 : x
  2. Step 2: Convert to fraction form
    19,088.08/28,638.24 = 13,552.36/x
  3. Step 3: Cross multiply
    19,088.08x = 28,638.24 × 13,552.36
  4. Step 4: Simplify right side
    19,088.08x = 388,115,738.25
  5. Step 5: Solve for x
    x = 388,115,738.25/19,088.08
  6. Step 6: Final answer
    x = 20,332.89

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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.