Home / 17,671.20-26,490.24-5,978.40

Finding the Fourth Proportional to 17,671.20, 26,490.24 and 5,978.40

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Solution

The fourth proportional to 17,671.20, 26,490.24 and 5,978.40 is: 8,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.20 : 26,490.24 = 5,978.40 : x
  2. Step 2: Convert to fraction form
    17,671.20/26,490.24 = 5,978.40/x
  3. Step 3: Cross multiply
    17,671.20x = 26,490.24 × 5,978.40
  4. Step 4: Simplify right side
    17,671.20x = 158,369,250.82
  5. Step 5: Solve for x
    x = 158,369,250.82/17,671.20
  6. Step 6: Final answer
    x = 8,962.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.