Home / 31,526.89-43,509.77-17,382.67

Finding the Fourth Proportional to 31,526.89, 43,509.77 and 17,382.67

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Solution

The fourth proportional to 31,526.89, 43,509.77 and 17,382.67 is: 23,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.89 : 43,509.77 = 17,382.67 : x
  2. Step 2: Convert to fraction form
    31,526.89/43,509.77 = 17,382.67/x
  3. Step 3: Cross multiply
    31,526.89x = 43,509.77 × 17,382.67
  4. Step 4: Simplify right side
    31,526.89x = 756,315,973.69
  5. Step 5: Solve for x
    x = 756,315,973.69/31,526.89
  6. Step 6: Final answer
    x = 23,989.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.