Home / 26,151.02-36,084.65-15,389.49

Finding the Fourth Proportional to 26,151.02, 36,084.65 and 15,389.49

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Solution

The fourth proportional to 26,151.02, 36,084.65 and 15,389.49 is: 21,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.02 : 36,084.65 = 15,389.49 : x
  2. Step 2: Convert to fraction form
    26,151.02/36,084.65 = 15,389.49/x
  3. Step 3: Cross multiply
    26,151.02x = 36,084.65 × 15,389.49
  4. Step 4: Simplify right side
    26,151.02x = 555,324,283.38
  5. Step 5: Solve for x
    x = 555,324,283.38/26,151.02
  6. Step 6: Final answer
    x = 21,235.29

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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.