Home / 26,376.89-36,389.12-19,291.01

Finding the Fourth Proportional to 26,376.89, 36,389.12 and 19,291.01

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Solution

The fourth proportional to 26,376.89, 36,389.12 and 19,291.01 is: 26,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.89 : 36,389.12 = 19,291.01 : x
  2. Step 2: Convert to fraction form
    26,376.89/36,389.12 = 19,291.01/x
  3. Step 3: Cross multiply
    26,376.89x = 36,389.12 × 19,291.01
  4. Step 4: Simplify right side
    26,376.89x = 701,982,599.41
  5. Step 5: Solve for x
    x = 701,982,599.41/26,376.89
  6. Step 6: Final answer
    x = 26,613.55

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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.