Home / 27,875.10-41,812.65-18,527.70

Finding the Fourth Proportional to 27,875.10, 41,812.65 and 18,527.70

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Solution

The fourth proportional to 27,875.10, 41,812.65 and 18,527.70 is: 27,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.10 : 41,812.65 = 18,527.70 : x
  2. Step 2: Convert to fraction form
    27,875.10/41,812.65 = 18,527.70/x
  3. Step 3: Cross multiply
    27,875.10x = 41,812.65 × 18,527.70
  4. Step 4: Simplify right side
    27,875.10x = 774,692,235.41
  5. Step 5: Solve for x
    x = 774,692,235.41/27,875.10
  6. Step 6: Final answer
    x = 27,791.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.