Home / 27,088.73-40,637.61-9,318.67

Finding the Fourth Proportional to 27,088.73, 40,637.61 and 9,318.67

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Solution

The fourth proportional to 27,088.73, 40,637.61 and 9,318.67 is: 13,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.73 : 40,637.61 = 9,318.67 : x
  2. Step 2: Convert to fraction form
    27,088.73/40,637.61 = 9,318.67/x
  3. Step 3: Cross multiply
    27,088.73x = 40,637.61 × 9,318.67
  4. Step 4: Simplify right side
    27,088.73x = 378,688,502.98
  5. Step 5: Solve for x
    x = 378,688,502.98/27,088.73
  6. Step 6: Final answer
    x = 13,979.56

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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.