Home / 29,355.41-40,510.63-15,926.69

Finding the Fourth Proportional to 29,355.41, 40,510.63 and 15,926.69

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Solution

The fourth proportional to 29,355.41, 40,510.63 and 15,926.69 is: 21,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.41 : 40,510.63 = 15,926.69 : x
  2. Step 2: Convert to fraction form
    29,355.41/40,510.63 = 15,926.69/x
  3. Step 3: Cross multiply
    29,355.41x = 40,510.63 × 15,926.69
  4. Step 4: Simplify right side
    29,355.41x = 645,200,366.90
  5. Step 5: Solve for x
    x = 645,200,366.90/29,355.41
  6. Step 6: Final answer
    x = 21,978.92

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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.