Home / 27,113.24-40,683.63-18,328.79

Finding the Fourth Proportional to 27,113.24, 40,683.63 and 18,328.79

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Solution

The fourth proportional to 27,113.24, 40,683.63 and 18,328.79 is: 27,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,113.24 : 40,683.63 = 18,328.79 : x
  2. Step 2: Convert to fraction form
    27,113.24/40,683.63 = 18,328.79/x
  3. Step 3: Cross multiply
    27,113.24x = 40,683.63 × 18,328.79
  4. Step 4: Simplify right side
    27,113.24x = 745,681,710.71
  5. Step 5: Solve for x
    x = 745,681,710.71/27,113.24
  6. Step 6: Final answer
    x = 27,502.49

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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.