Home / 25,443.30-38,201.40-19,246.80

Finding the Fourth Proportional to 25,443.30, 38,201.40 and 19,246.80

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Solution

The fourth proportional to 25,443.30, 38,201.40 and 19,246.80 is: 28,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.30 : 38,201.40 = 19,246.80 : x
  2. Step 2: Convert to fraction form
    25,443.30/38,201.40 = 19,246.80/x
  3. Step 3: Cross multiply
    25,443.30x = 38,201.40 × 19,246.80
  4. Step 4: Simplify right side
    25,443.30x = 735,254,705.52
  5. Step 5: Solve for x
    x = 735,254,705.52/25,443.30
  6. Step 6: Final answer
    x = 28,897.77

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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.