Home / 29,342.61-40,492.69-15,913.81

Finding the Fourth Proportional to 29,342.61, 40,492.69 and 15,913.81

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Solution

The fourth proportional to 29,342.61, 40,492.69 and 15,913.81 is: 21,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.61 : 40,492.69 = 15,913.81 : x
  2. Step 2: Convert to fraction form
    29,342.61/40,492.69 = 15,913.81/x
  3. Step 3: Cross multiply
    29,342.61x = 40,492.69 × 15,913.81
  4. Step 4: Simplify right side
    29,342.61x = 644,392,895.48
  5. Step 5: Solve for x
    x = 644,392,895.48/29,342.61
  6. Step 6: Final answer
    x = 21,960.99

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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.