Home / 25,579.08-35,300.90-15,507.95

Finding the Fourth Proportional to 25,579.08, 35,300.90 and 15,507.95

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Solution

The fourth proportional to 25,579.08, 35,300.90 and 15,507.95 is: 21,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.08 : 35,300.90 = 15,507.95 : x
  2. Step 2: Convert to fraction form
    25,579.08/35,300.90 = 15,507.95/x
  3. Step 3: Cross multiply
    25,579.08x = 35,300.90 × 15,507.95
  4. Step 4: Simplify right side
    25,579.08x = 547,444,454.42
  5. Step 5: Solve for x
    x = 547,444,454.42/25,579.08
  6. Step 6: Final answer
    x = 21,402.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.