Home / 25,832.31-38,748.06-14,139.15

Finding the Fourth Proportional to 25,832.31, 38,748.06 and 14,139.15

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Solution

The fourth proportional to 25,832.31, 38,748.06 and 14,139.15 is: 21,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.31 : 38,748.06 = 14,139.15 : x
  2. Step 2: Convert to fraction form
    25,832.31/38,748.06 = 14,139.15/x
  3. Step 3: Cross multiply
    25,832.31x = 38,748.06 × 14,139.15
  4. Step 4: Simplify right side
    25,832.31x = 547,864,632.55
  5. Step 5: Solve for x
    x = 547,864,632.55/25,832.31
  6. Step 6: Final answer
    x = 21,208.50

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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.