Home / 29,312.88-40,435.36-17,987.86

Finding the Fourth Proportional to 29,312.88, 40,435.36 and 17,987.86

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Solution

The fourth proportional to 29,312.88, 40,435.36 and 17,987.86 is: 24,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.88 : 40,435.36 = 17,987.86 : x
  2. Step 2: Convert to fraction form
    29,312.88/40,435.36 = 17,987.86/x
  3. Step 3: Cross multiply
    29,312.88x = 40,435.36 × 17,987.86
  4. Step 4: Simplify right side
    29,312.88x = 727,345,594.73
  5. Step 5: Solve for x
    x = 727,345,594.73/29,312.88
  6. Step 6: Final answer
    x = 24,813.17

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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.