Home / 20,669.24-28,475.34-14,370.68

Finding the Fourth Proportional to 20,669.24, 28,475.34 and 14,370.68

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Solution

The fourth proportional to 20,669.24, 28,475.34 and 14,370.68 is: 19,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669.24 : 28,475.34 = 14,370.68 : x
  2. Step 2: Convert to fraction form
    20,669.24/28,475.34 = 14,370.68/x
  3. Step 3: Cross multiply
    20,669.24x = 28,475.34 × 14,370.68
  4. Step 4: Simplify right side
    20,669.24x = 409,209,999.03
  5. Step 5: Solve for x
    x = 409,209,999.03/20,669.24
  6. Step 6: Final answer
    x = 19,798.02

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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.