Home / 28,329.48-39,071.43-25,145.10

Finding the Fourth Proportional to 28,329.48, 39,071.43 and 25,145.10

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Solution

The fourth proportional to 28,329.48, 39,071.43 and 25,145.10 is: 34,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.48 : 39,071.43 = 25,145.10 : x
  2. Step 2: Convert to fraction form
    28,329.48/39,071.43 = 25,145.10/x
  3. Step 3: Cross multiply
    28,329.48x = 39,071.43 × 25,145.10
  4. Step 4: Simplify right side
    28,329.48x = 982,455,014.49
  5. Step 5: Solve for x
    x = 982,455,014.49/28,329.48
  6. Step 6: Final answer
    x = 34,679.60

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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.