Home / 20,227.64-30,337.81-14,360.40

Finding the Fourth Proportional to 20,227.64, 30,337.81 and 14,360.40

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Solution

The fourth proportional to 20,227.64, 30,337.81 and 14,360.40 is: 21,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.64 : 30,337.81 = 14,360.40 : x
  2. Step 2: Convert to fraction form
    20,227.64/30,337.81 = 14,360.40/x
  3. Step 3: Cross multiply
    20,227.64x = 30,337.81 × 14,360.40
  4. Step 4: Simplify right side
    20,227.64x = 435,663,050.82
  5. Step 5: Solve for x
    x = 435,663,050.82/20,227.64
  6. Step 6: Final answer
    x = 21,538.01

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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.