Home / 25,518.60-35,210.21-15,445.04

Finding the Fourth Proportional to 25,518.60, 35,210.21 and 15,445.04

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Solution

The fourth proportional to 25,518.60, 35,210.21 and 15,445.04 is: 21,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.60 : 35,210.21 = 15,445.04 : x
  2. Step 2: Convert to fraction form
    25,518.60/35,210.21 = 15,445.04/x
  3. Step 3: Cross multiply
    25,518.60x = 35,210.21 × 15,445.04
  4. Step 4: Simplify right side
    25,518.60x = 543,822,848.58
  5. Step 5: Solve for x
    x = 543,822,848.58/25,518.60
  6. Step 6: Final answer
    x = 21,310.84

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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.