Home / 20,862.09-31,237.65-16,313.76

Finding the Fourth Proportional to 20,862.09, 31,237.65 and 16,313.76

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Solution

The fourth proportional to 20,862.09, 31,237.65 and 16,313.76 is: 24,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862.09 : 31,237.65 = 16,313.76 : x
  2. Step 2: Convert to fraction form
    20,862.09/31,237.65 = 16,313.76/x
  3. Step 3: Cross multiply
    20,862.09x = 31,237.65 × 16,313.76
  4. Step 4: Simplify right side
    20,862.09x = 509,603,525.06
  5. Step 5: Solve for x
    x = 509,603,525.06/20,862.09
  6. Step 6: Final answer
    x = 24,427.25

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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.