Home / 19,005.40-28,491.90-13,441.24

Finding the Fourth Proportional to 19,005.40, 28,491.90 and 13,441.24

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Solution

The fourth proportional to 19,005.40, 28,491.90 and 13,441.24 is: 20,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.40 : 28,491.90 = 13,441.24 : x
  2. Step 2: Convert to fraction form
    19,005.40/28,491.90 = 13,441.24/x
  3. Step 3: Cross multiply
    19,005.40x = 28,491.90 × 13,441.24
  4. Step 4: Simplify right side
    19,005.40x = 382,966,465.96
  5. Step 5: Solve for x
    x = 382,966,465.96/19,005.40
  6. Step 6: Final answer
    x = 20,150.40

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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.