Home / 25,531.20-35,232.98-14,918.72

Finding the Fourth Proportional to 25,531.20, 35,232.98 and 14,918.72

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Solution

The fourth proportional to 25,531.20, 35,232.98 and 14,918.72 is: 20,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.20 : 35,232.98 = 14,918.72 : x
  2. Step 2: Convert to fraction form
    25,531.20/35,232.98 = 14,918.72/x
  3. Step 3: Cross multiply
    25,531.20x = 35,232.98 × 14,918.72
  4. Step 4: Simplify right side
    25,531.20x = 525,630,712.63
  5. Step 5: Solve for x
    x = 525,630,712.63/25,531.20
  6. Step 6: Final answer
    x = 20,587.78

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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.