Home / 26,642.83-36,768.33-15,315.99

Finding the Fourth Proportional to 26,642.83, 36,768.33 and 15,315.99

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Solution

The fourth proportional to 26,642.83, 36,768.33 and 15,315.99 is: 21,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.83 : 36,768.33 = 15,315.99 : x
  2. Step 2: Convert to fraction form
    26,642.83/36,768.33 = 15,315.99/x
  3. Step 3: Cross multiply
    26,642.83x = 36,768.33 × 15,315.99
  4. Step 4: Simplify right side
    26,642.83x = 563,143,374.60
  5. Step 5: Solve for x
    x = 563,143,374.60/26,642.83
  6. Step 6: Final answer
    x = 21,136.77

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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.