Home / 25,809.45-38,616.30-15,285.12

Finding the Fourth Proportional to 25,809.45, 38,616.30 and 15,285.12

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Solution

The fourth proportional to 25,809.45, 38,616.30 and 15,285.12 is: 22,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.45 : 38,616.30 = 15,285.12 : x
  2. Step 2: Convert to fraction form
    25,809.45/38,616.30 = 15,285.12/x
  3. Step 3: Cross multiply
    25,809.45x = 38,616.30 × 15,285.12
  4. Step 4: Simplify right side
    25,809.45x = 590,254,779.46
  5. Step 5: Solve for x
    x = 590,254,779.46/25,809.45
  6. Step 6: Final answer
    x = 22,869.72

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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.