Home / 26,943.38-37,178.59-15,457.70

Finding the Fourth Proportional to 26,943.38, 37,178.59 and 15,457.70

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Solution

The fourth proportional to 26,943.38, 37,178.59 and 15,457.70 is: 21,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.38 : 37,178.59 = 15,457.70 : x
  2. Step 2: Convert to fraction form
    26,943.38/37,178.59 = 15,457.70/x
  3. Step 3: Cross multiply
    26,943.38x = 37,178.59 × 15,457.70
  4. Step 4: Simplify right side
    26,943.38x = 574,695,490.64
  5. Step 5: Solve for x
    x = 574,695,490.64/26,943.38
  6. Step 6: Final answer
    x = 21,329.75

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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.