Home / 25,765.34-38,659.12-13,916.76

Finding the Fourth Proportional to 25,765.34, 38,659.12 and 13,916.76

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Solution

The fourth proportional to 25,765.34, 38,659.12 and 13,916.76 is: 20,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.34 : 38,659.12 = 13,916.76 : x
  2. Step 2: Convert to fraction form
    25,765.34/38,659.12 = 13,916.76/x
  3. Step 3: Cross multiply
    25,765.34x = 38,659.12 × 13,916.76
  4. Step 4: Simplify right side
    25,765.34x = 538,009,694.85
  5. Step 5: Solve for x
    x = 538,009,694.85/25,765.34
  6. Step 6: Final answer
    x = 20,881.14

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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.