Home / 25,947.60-38,895.48-12,809.40

Finding the Fourth Proportional to 25,947.60, 38,895.48 and 12,809.40

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Solution

The fourth proportional to 25,947.60, 38,895.48 and 12,809.40 is: 19,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.60 : 38,895.48 = 12,809.40 : x
  2. Step 2: Convert to fraction form
    25,947.60/38,895.48 = 12,809.40/x
  3. Step 3: Cross multiply
    25,947.60x = 38,895.48 × 12,809.40
  4. Step 4: Simplify right side
    25,947.60x = 498,227,761.51
  5. Step 5: Solve for x
    x = 498,227,761.51/25,947.60
  6. Step 6: Final answer
    x = 19,201.30

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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.