Home / 26,828.10-37,058.85-20,618.10

Finding the Fourth Proportional to 26,828.10, 37,058.85 and 20,618.10

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Solution

The fourth proportional to 26,828.10, 37,058.85 and 20,618.10 is: 28,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.10 : 37,058.85 = 20,618.10 : x
  2. Step 2: Convert to fraction form
    26,828.10/37,058.85 = 20,618.10/x
  3. Step 3: Cross multiply
    26,828.10x = 37,058.85 × 20,618.10
  4. Step 4: Simplify right side
    26,828.10x = 764,083,075.19
  5. Step 5: Solve for x
    x = 764,083,075.19/26,828.10
  6. Step 6: Final answer
    x = 28,480.70

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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.