Home / 26,753.69-36,916.16-15,422.30

Finding the Fourth Proportional to 26,753.69, 36,916.16 and 15,422.30

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Solution

The fourth proportional to 26,753.69, 36,916.16 and 15,422.30 is: 21,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,753.69 : 36,916.16 = 15,422.30 : x
  2. Step 2: Convert to fraction form
    26,753.69/36,916.16 = 15,422.30/x
  3. Step 3: Cross multiply
    26,753.69x = 36,916.16 × 15,422.30
  4. Step 4: Simplify right side
    26,753.69x = 569,331,971.11
  5. Step 5: Solve for x
    x = 569,331,971.11/26,753.69
  6. Step 6: Final answer
    x = 21,280.50

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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.