Home / 29,688.91-40,968.81-16,260.32

Finding the Fourth Proportional to 29,688.91, 40,968.81 and 16,260.32

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Solution

The fourth proportional to 29,688.91, 40,968.81 and 16,260.32 is: 22,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.91 : 40,968.81 = 16,260.32 : x
  2. Step 2: Convert to fraction form
    29,688.91/40,968.81 = 16,260.32/x
  3. Step 3: Cross multiply
    29,688.91x = 40,968.81 × 16,260.32
  4. Step 4: Simplify right side
    29,688.91x = 666,166,063.04
  5. Step 5: Solve for x
    x = 666,166,063.04/29,688.91
  6. Step 6: Final answer
    x = 22,438.21

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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.