Home / 28,448.50-39,258.93-15,873.25

Finding the Fourth Proportional to 28,448.50, 39,258.93 and 15,873.25

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Solution

The fourth proportional to 28,448.50, 39,258.93 and 15,873.25 is: 21,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.50 : 39,258.93 = 15,873.25 : x
  2. Step 2: Convert to fraction form
    28,448.50/39,258.93 = 15,873.25/x
  3. Step 3: Cross multiply
    28,448.50x = 39,258.93 × 15,873.25
  4. Step 4: Simplify right side
    28,448.50x = 623,166,810.62
  5. Step 5: Solve for x
    x = 623,166,810.62/28,448.50
  6. Step 6: Final answer
    x = 21,905.09

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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.