Home / 25,401.63-35,071.36-15,856.05

Finding the Fourth Proportional to 25,401.63, 35,071.36 and 15,856.05

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Solution

The fourth proportional to 25,401.63, 35,071.36 and 15,856.05 is: 21,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.63 : 35,071.36 = 15,856.05 : x
  2. Step 2: Convert to fraction form
    25,401.63/35,071.36 = 15,856.05/x
  3. Step 3: Cross multiply
    25,401.63x = 35,071.36 × 15,856.05
  4. Step 4: Simplify right side
    25,401.63x = 556,093,237.73
  5. Step 5: Solve for x
    x = 556,093,237.73/25,401.63
  6. Step 6: Final answer
    x = 21,892.03

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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.