Home / 19,226.10-28,838.10-13,580.55

Finding the Fourth Proportional to 19,226.10, 28,838.10 and 13,580.55

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Solution

The fourth proportional to 19,226.10, 28,838.10 and 13,580.55 is: 20,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.10 : 28,838.10 = 13,580.55 : x
  2. Step 2: Convert to fraction form
    19,226.10/28,838.10 = 13,580.55/x
  3. Step 3: Cross multiply
    19,226.10x = 28,838.10 × 13,580.55
  4. Step 4: Simplify right side
    19,226.10x = 391,637,258.96
  5. Step 5: Solve for x
    x = 391,637,258.96/19,226.10
  6. Step 6: Final answer
    x = 20,370.08

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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.