Home / 26,642.55-36,767.94-15,315.71

Finding the Fourth Proportional to 26,642.55, 36,767.94 and 15,315.71

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Solution

The fourth proportional to 26,642.55, 36,767.94 and 15,315.71 is: 21,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.55 : 36,767.94 = 15,315.71 : x
  2. Step 2: Convert to fraction form
    26,642.55/36,767.94 = 15,315.71/x
  3. Step 3: Cross multiply
    26,642.55x = 36,767.94 × 15,315.71
  4. Step 4: Simplify right side
    26,642.55x = 563,127,106.34
  5. Step 5: Solve for x
    x = 563,127,106.34/26,642.55
  6. Step 6: Final answer
    x = 21,136.38

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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.