Home / 28,165.76-42,256.60-14,108.82

Finding the Fourth Proportional to 28,165.76, 42,256.60 and 14,108.82

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Solution

The fourth proportional to 28,165.76, 42,256.60 and 14,108.82 is: 21,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.76 : 42,256.60 = 14,108.82 : x
  2. Step 2: Convert to fraction form
    28,165.76/42,256.60 = 14,108.82/x
  3. Step 3: Cross multiply
    28,165.76x = 42,256.60 × 14,108.82
  4. Step 4: Simplify right side
    28,165.76x = 596,190,763.21
  5. Step 5: Solve for x
    x = 596,190,763.21/28,165.76
  6. Step 6: Final answer
    x = 21,167.22

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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.