Home / 28,262.22-42,406.29-14,420.94

Finding the Fourth Proportional to 28,262.22, 42,406.29 and 14,420.94

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Solution

The fourth proportional to 28,262.22, 42,406.29 and 14,420.94 is: 21,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.22 : 42,406.29 = 14,420.94 : x
  2. Step 2: Convert to fraction form
    28,262.22/42,406.29 = 14,420.94/x
  3. Step 3: Cross multiply
    28,262.22x = 42,406.29 × 14,420.94
  4. Step 4: Simplify right side
    28,262.22x = 611,538,563.71
  5. Step 5: Solve for x
    x = 611,538,563.71/28,262.22
  6. Step 6: Final answer
    x = 21,638.02

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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.