Home / 17,880.32-24,635.52-15,624.96

Finding the Fourth Proportional to 17,880.32, 24,635.52 and 15,624.96

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Solution

The fourth proportional to 17,880.32, 24,635.52 and 15,624.96 is: 21,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.32 : 24,635.52 = 15,624.96 : x
  2. Step 2: Convert to fraction form
    17,880.32/24,635.52 = 15,624.96/x
  3. Step 3: Cross multiply
    17,880.32x = 24,635.52 × 15,624.96
  4. Step 4: Simplify right side
    17,880.32x = 384,929,014.58
  5. Step 5: Solve for x
    x = 384,929,014.58/17,880.32
  6. Step 6: Final answer
    x = 21,528.08

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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.