Home / 27,154.95-40,723.29-12,152.67

Finding the Fourth Proportional to 27,154.95, 40,723.29 and 12,152.67

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Solution

The fourth proportional to 27,154.95, 40,723.29 and 12,152.67 is: 18,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.95 : 40,723.29 = 12,152.67 : x
  2. Step 2: Convert to fraction form
    27,154.95/40,723.29 = 12,152.67/x
  3. Step 3: Cross multiply
    27,154.95x = 40,723.29 × 12,152.67
  4. Step 4: Simplify right side
    27,154.95x = 494,896,704.68
  5. Step 5: Solve for x
    x = 494,896,704.68/27,154.95
  6. Step 6: Final answer
    x = 18,224.92

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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.