Home / 19,025.50-26,255.28-10,642

Finding the Fourth Proportional to 19,025.50, 26,255.28 and 10,642

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Solution

The fourth proportional to 19,025.50, 26,255.28 and 10,642 is: 14,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.50 : 26,255.28 = 10,642 : x
  2. Step 2: Convert to fraction form
    19,025.50/26,255.28 = 10,642/x
  3. Step 3: Cross multiply
    19,025.50x = 26,255.28 × 10,642
  4. Step 4: Simplify right side
    19,025.50x = 279,408,689.76
  5. Step 5: Solve for x
    x = 279,408,689.76/19,025.50
  6. Step 6: Final answer
    x = 14,686.01

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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.