Home / 28,307.35-39,031.99-18,084.84

Finding the Fourth Proportional to 28,307.35, 39,031.99 and 18,084.84

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Solution

The fourth proportional to 28,307.35, 39,031.99 and 18,084.84 is: 24,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307.35 : 39,031.99 = 18,084.84 : x
  2. Step 2: Convert to fraction form
    28,307.35/39,031.99 = 18,084.84/x
  3. Step 3: Cross multiply
    28,307.35x = 39,031.99 × 18,084.84
  4. Step 4: Simplify right side
    28,307.35x = 705,887,294.03
  5. Step 5: Solve for x
    x = 705,887,294.03/28,307.35
  6. Step 6: Final answer
    x = 24,936.54

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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.