Home / 26,490.95-36,541.29-15,728.52

Finding the Fourth Proportional to 26,490.95, 36,541.29 and 15,728.52

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Solution

The fourth proportional to 26,490.95, 36,541.29 and 15,728.52 is: 21,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.95 : 36,541.29 = 15,728.52 : x
  2. Step 2: Convert to fraction form
    26,490.95/36,541.29 = 15,728.52/x
  3. Step 3: Cross multiply
    26,490.95x = 36,541.29 × 15,728.52
  4. Step 4: Simplify right side
    26,490.95x = 574,740,227.88
  5. Step 5: Solve for x
    x = 574,740,227.88/26,490.95
  6. Step 6: Final answer
    x = 21,695.72

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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.