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Finding the Fourth Proportional to 23,384.64, 35,007.84 and 15,472.32

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Solution

The fourth proportional to 23,384.64, 35,007.84 and 15,472.32 is: 23,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,384.64 : 35,007.84 = 15,472.32 : x
  2. Step 2: Convert to fraction form
    23,384.64/35,007.84 = 15,472.32/x
  3. Step 3: Cross multiply
    23,384.64x = 35,007.84 × 15,472.32
  4. Step 4: Simplify right side
    23,384.64x = 541,652,502.99
  5. Step 5: Solve for x
    x = 541,652,502.99/23,384.64
  6. Step 6: Final answer
    x = 23,162.75

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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.