Home / 20,301.60-28,038.18-13,944.92

Finding the Fourth Proportional to 20,301.60, 28,038.18 and 13,944.92

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Solution

The fourth proportional to 20,301.60, 28,038.18 and 13,944.92 is: 19,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.60 : 28,038.18 = 13,944.92 : x
  2. Step 2: Convert to fraction form
    20,301.60/28,038.18 = 13,944.92/x
  3. Step 3: Cross multiply
    20,301.60x = 28,038.18 × 13,944.92
  4. Step 4: Simplify right side
    20,301.60x = 390,990,177.05
  5. Step 5: Solve for x
    x = 390,990,177.05/20,301.60
  6. Step 6: Final answer
    x = 19,259.08

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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.