Home / 29,264.32-40,384.45-15,835.28

Finding the Fourth Proportional to 29,264.32, 40,384.45 and 15,835.28

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Solution

The fourth proportional to 29,264.32, 40,384.45 and 15,835.28 is: 21,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,264.32 : 40,384.45 = 15,835.28 : x
  2. Step 2: Convert to fraction form
    29,264.32/40,384.45 = 15,835.28/x
  3. Step 3: Cross multiply
    29,264.32x = 40,384.45 × 15,835.28
  4. Step 4: Simplify right side
    29,264.32x = 639,498,891.27
  5. Step 5: Solve for x
    x = 639,498,891.27/29,264.32
  6. Step 6: Final answer
    x = 21,852.51

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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.