Home / 28,336.78-42,477.43-10,554.39

Finding the Fourth Proportional to 28,336.78, 42,477.43 and 10,554.39

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Solution

The fourth proportional to 28,336.78, 42,477.43 and 10,554.39 is: 15,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.78 : 42,477.43 = 10,554.39 : x
  2. Step 2: Convert to fraction form
    28,336.78/42,477.43 = 10,554.39/x
  3. Step 3: Cross multiply
    28,336.78x = 42,477.43 × 10,554.39
  4. Step 4: Simplify right side
    28,336.78x = 448,323,362.42
  5. Step 5: Solve for x
    x = 448,323,362.42/28,336.78
  6. Step 6: Final answer
    x = 15,821.25

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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.