Home / 28,153.98-38,857.30-16,224.26

Finding the Fourth Proportional to 28,153.98, 38,857.30 and 16,224.26

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Solution

The fourth proportional to 28,153.98, 38,857.30 and 16,224.26 is: 22,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.98 : 38,857.30 = 16,224.26 : x
  2. Step 2: Convert to fraction form
    28,153.98/38,857.30 = 16,224.26/x
  3. Step 3: Cross multiply
    28,153.98x = 38,857.30 × 16,224.26
  4. Step 4: Simplify right side
    28,153.98x = 630,430,703.25
  5. Step 5: Solve for x
    x = 630,430,703.25/28,153.98
  6. Step 6: Final answer
    x = 22,392.24

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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.