Home / 28,878.36-43,325.88-14,095.80

Finding the Fourth Proportional to 28,878.36, 43,325.88 and 14,095.80

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Solution

The fourth proportional to 28,878.36, 43,325.88 and 14,095.80 is: 21,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.36 : 43,325.88 = 14,095.80 : x
  2. Step 2: Convert to fraction form
    28,878.36/43,325.88 = 14,095.80/x
  3. Step 3: Cross multiply
    28,878.36x = 43,325.88 × 14,095.80
  4. Step 4: Simplify right side
    28,878.36x = 610,712,939.30
  5. Step 5: Solve for x
    x = 610,712,939.30/28,878.36
  6. Step 6: Final answer
    x = 21,147.77

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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.