Home / 26,389.90-36,418.08-14,453.25

Finding the Fourth Proportional to 26,389.90, 36,418.08 and 14,453.25

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Solution

The fourth proportional to 26,389.90, 36,418.08 and 14,453.25 is: 19,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.90 : 36,418.08 = 14,453.25 : x
  2. Step 2: Convert to fraction form
    26,389.90/36,418.08 = 14,453.25/x
  3. Step 3: Cross multiply
    26,389.90x = 36,418.08 × 14,453.25
  4. Step 4: Simplify right side
    26,389.90x = 526,359,614.76
  5. Step 5: Solve for x
    x = 526,359,614.76/26,389.90
  6. Step 6: Final answer
    x = 19,945.49

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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.