Home / 28,503.84-39,346.26-25,514.40

Finding the Fourth Proportional to 28,503.84, 39,346.26 and 25,514.40

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Solution

The fourth proportional to 28,503.84, 39,346.26 and 25,514.40 is: 35,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.84 : 39,346.26 = 25,514.40 : x
  2. Step 2: Convert to fraction form
    28,503.84/39,346.26 = 25,514.40/x
  3. Step 3: Cross multiply
    28,503.84x = 39,346.26 × 25,514.40
  4. Step 4: Simplify right side
    28,503.84x = 1,003,896,216.14
  5. Step 5: Solve for x
    x = 1,003,896,216.14/28,503.84
  6. Step 6: Final answer
    x = 35,219.68

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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.