Home / 28,554.84-39,423.54-18,350

Finding the Fourth Proportional to 28,554.84, 39,423.54 and 18,350

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Solution

The fourth proportional to 28,554.84, 39,423.54 and 18,350 is: 25,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.84 : 39,423.54 = 18,350 : x
  2. Step 2: Convert to fraction form
    28,554.84/39,423.54 = 18,350/x
  3. Step 3: Cross multiply
    28,554.84x = 39,423.54 × 18,350
  4. Step 4: Simplify right side
    28,554.84x = 723,421,959
  5. Step 5: Solve for x
    x = 723,421,959/28,554.84
  6. Step 6: Final answer
    x = 25,334.48

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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.