Home / 28,848.08-39,810.48-16,911.60

Finding the Fourth Proportional to 28,848.08, 39,810.48 and 16,911.60

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Solution

The fourth proportional to 28,848.08, 39,810.48 and 16,911.60 is: 23,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.08 : 39,810.48 = 16,911.60 : x
  2. Step 2: Convert to fraction form
    28,848.08/39,810.48 = 16,911.60/x
  3. Step 3: Cross multiply
    28,848.08x = 39,810.48 × 16,911.60
  4. Step 4: Simplify right side
    28,848.08x = 673,258,913.57
  5. Step 5: Solve for x
    x = 673,258,913.57/28,848.08
  6. Step 6: Final answer
    x = 23,338.08

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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.