Home / 27,432.75-37,857.20-14,857.50

Finding the Fourth Proportional to 27,432.75, 37,857.20 and 14,857.50

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Solution

The fourth proportional to 27,432.75, 37,857.20 and 14,857.50 is: 20,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.75 : 37,857.20 = 14,857.50 : x
  2. Step 2: Convert to fraction form
    27,432.75/37,857.20 = 14,857.50/x
  3. Step 3: Cross multiply
    27,432.75x = 37,857.20 × 14,857.50
  4. Step 4: Simplify right side
    27,432.75x = 562,463,386.14
  5. Step 5: Solve for x
    x = 562,463,386.14/27,432.75
  6. Step 6: Final answer
    x = 20,503.35

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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.