Home / 86,002.92-129,004.41-26,838.63

Finding the Fourth Proportional to 86,002.92, 129,004.41 and 26,838.63

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Solution

The fourth proportional to 86,002.92, 129,004.41 and 26,838.63 is: 40,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.92 : 129,004.41 = 26,838.63 : x
  2. Step 2: Convert to fraction form
    86,002.92/129,004.41 = 26,838.63/x
  3. Step 3: Cross multiply
    86,002.92x = 129,004.41 × 26,838.63
  4. Step 4: Simplify right side
    86,002.92x = 3,462,301,628.36
  5. Step 5: Solve for x
    x = 3,462,301,628.36/86,002.92
  6. Step 6: Final answer
    x = 40,257.95

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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.