Home / 28,334.03-42,510.27-13,544.09

Finding the Fourth Proportional to 28,334.03, 42,510.27 and 13,544.09

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Solution

The fourth proportional to 28,334.03, 42,510.27 and 13,544.09 is: 20,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.03 : 42,510.27 = 13,544.09 : x
  2. Step 2: Convert to fraction form
    28,334.03/42,510.27 = 13,544.09/x
  3. Step 3: Cross multiply
    28,334.03x = 42,510.27 × 13,544.09
  4. Step 4: Simplify right side
    28,334.03x = 575,762,724.71
  5. Step 5: Solve for x
    x = 575,762,724.71/28,334.03
  6. Step 6: Final answer
    x = 20,320.54

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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.