Home / 28,884.03-39,868.73-18,277.08

Finding the Fourth Proportional to 28,884.03, 39,868.73 and 18,277.08

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Solution

The fourth proportional to 28,884.03, 39,868.73 and 18,277.08 is: 25,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.03 : 39,868.73 = 18,277.08 : x
  2. Step 2: Convert to fraction form
    28,884.03/39,868.73 = 18,277.08/x
  3. Step 3: Cross multiply
    28,884.03x = 39,868.73 × 18,277.08
  4. Step 4: Simplify right side
    28,884.03x = 728,683,967.71
  5. Step 5: Solve for x
    x = 728,683,967.71/28,884.03
  6. Step 6: Final answer
    x = 25,227.92

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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.