Home / 28,633.69-42,904.36-15,492.25

Finding the Fourth Proportional to 28,633.69, 42,904.36 and 15,492.25

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Solution

The fourth proportional to 28,633.69, 42,904.36 and 15,492.25 is: 23,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.69 : 42,904.36 = 15,492.25 : x
  2. Step 2: Convert to fraction form
    28,633.69/42,904.36 = 15,492.25/x
  3. Step 3: Cross multiply
    28,633.69x = 42,904.36 × 15,492.25
  4. Step 4: Simplify right side
    28,633.69x = 664,685,071.21
  5. Step 5: Solve for x
    x = 664,685,071.21/28,633.69
  6. Step 6: Final answer
    x = 23,213.39

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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.