Home / 28,316.75-39,085.34-17,564.90

Finding the Fourth Proportional to 28,316.75, 39,085.34 and 17,564.90

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Solution

The fourth proportional to 28,316.75, 39,085.34 and 17,564.90 is: 24,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.75 : 39,085.34 = 17,564.90 : x
  2. Step 2: Convert to fraction form
    28,316.75/39,085.34 = 17,564.90/x
  3. Step 3: Cross multiply
    28,316.75x = 39,085.34 × 17,564.90
  4. Step 4: Simplify right side
    28,316.75x = 686,529,805.31
  5. Step 5: Solve for x
    x = 686,529,805.31/28,316.75
  6. Step 6: Final answer
    x = 24,244.66

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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.