Home / 29,356.56-40,510.89-15,927.39

Finding the Fourth Proportional to 29,356.56, 40,510.89 and 15,927.39

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Solution

The fourth proportional to 29,356.56, 40,510.89 and 15,927.39 is: 21,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,356.56 : 40,510.89 = 15,927.39 : x
  2. Step 2: Convert to fraction form
    29,356.56/40,510.89 = 15,927.39/x
  3. Step 3: Cross multiply
    29,356.56x = 40,510.89 × 15,927.39
  4. Step 4: Simplify right side
    29,356.56x = 645,232,744.28
  5. Step 5: Solve for x
    x = 645,232,744.28/29,356.56
  6. Step 6: Final answer
    x = 21,979.17

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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.