Home / 19,428.60-29,078.10-17,095.80

Finding the Fourth Proportional to 19,428.60, 29,078.10 and 17,095.80

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Solution

The fourth proportional to 19,428.60, 29,078.10 and 17,095.80 is: 25,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.60 : 29,078.10 = 17,095.80 : x
  2. Step 2: Convert to fraction form
    19,428.60/29,078.10 = 17,095.80/x
  3. Step 3: Cross multiply
    19,428.60x = 29,078.10 × 17,095.80
  4. Step 4: Simplify right side
    19,428.60x = 497,113,381.98
  5. Step 5: Solve for x
    x = 497,113,381.98/19,428.60
  6. Step 6: Final answer
    x = 25,586.68

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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.