Home / 28,477.52-39,299.76-15,903.08

Finding the Fourth Proportional to 28,477.52, 39,299.76 and 15,903.08

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Solution

The fourth proportional to 28,477.52, 39,299.76 and 15,903.08 is: 21,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.52 : 39,299.76 = 15,903.08 : x
  2. Step 2: Convert to fraction form
    28,477.52/39,299.76 = 15,903.08/x
  3. Step 3: Cross multiply
    28,477.52x = 39,299.76 × 15,903.08
  4. Step 4: Simplify right side
    28,477.52x = 624,987,227.26
  5. Step 5: Solve for x
    x = 624,987,227.26/28,477.52
  6. Step 6: Final answer
    x = 21,946.69

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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.