Home / 27,217.13-40,838.25-12,430.58

Finding the Fourth Proportional to 27,217.13, 40,838.25 and 12,430.58

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Solution

The fourth proportional to 27,217.13, 40,838.25 and 12,430.58 is: 18,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.13 : 40,838.25 = 12,430.58 : x
  2. Step 2: Convert to fraction form
    27,217.13/40,838.25 = 12,430.58/x
  3. Step 3: Cross multiply
    27,217.13x = 40,838.25 × 12,430.58
  4. Step 4: Simplify right side
    27,217.13x = 507,643,133.69
  5. Step 5: Solve for x
    x = 507,643,133.69/27,217.13
  6. Step 6: Final answer
    x = 18,651.60

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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.