Home / 28,838.81-39,782.40-23,467.30

Finding the Fourth Proportional to 28,838.81, 39,782.40 and 23,467.30

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Solution

The fourth proportional to 28,838.81, 39,782.40 and 23,467.30 is: 32,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.81 : 39,782.40 = 23,467.30 : x
  2. Step 2: Convert to fraction form
    28,838.81/39,782.40 = 23,467.30/x
  3. Step 3: Cross multiply
    28,838.81x = 39,782.40 × 23,467.30
  4. Step 4: Simplify right side
    28,838.81x = 933,585,515.52
  5. Step 5: Solve for x
    x = 933,585,515.52/28,838.81
  6. Step 6: Final answer
    x = 32,372.54

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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.