Home / 19,389.60-29,084.40-15,010.20

Finding the Fourth Proportional to 19,389.60, 29,084.40 and 15,010.20

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Solution

The fourth proportional to 19,389.60, 29,084.40 and 15,010.20 is: 22,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.60 : 29,084.40 = 15,010.20 : x
  2. Step 2: Convert to fraction form
    19,389.60/29,084.40 = 15,010.20/x
  3. Step 3: Cross multiply
    19,389.60x = 29,084.40 × 15,010.20
  4. Step 4: Simplify right side
    19,389.60x = 436,562,660.88
  5. Step 5: Solve for x
    x = 436,562,660.88/19,389.60
  6. Step 6: Final answer
    x = 22,515.30

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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.