Home / 25,337.40-38,029.35-12,866.10

Finding the Fourth Proportional to 25,337.40, 38,029.35 and 12,866.10

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Solution

The fourth proportional to 25,337.40, 38,029.35 and 12,866.10 is: 19,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.40 : 38,029.35 = 12,866.10 : x
  2. Step 2: Convert to fraction form
    25,337.40/38,029.35 = 12,866.10/x
  3. Step 3: Cross multiply
    25,337.40x = 38,029.35 × 12,866.10
  4. Step 4: Simplify right side
    25,337.40x = 489,289,420.04
  5. Step 5: Solve for x
    x = 489,289,420.04/25,337.40
  6. Step 6: Final answer
    x = 19,310.96

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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.