Home / 20,589.04-30,883.56-14,460.40

Finding the Fourth Proportional to 20,589.04, 30,883.56 and 14,460.40

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Solution

The fourth proportional to 20,589.04, 30,883.56 and 14,460.40 is: 21,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.04 : 30,883.56 = 14,460.40 : x
  2. Step 2: Convert to fraction form
    20,589.04/30,883.56 = 14,460.40/x
  3. Step 3: Cross multiply
    20,589.04x = 30,883.56 × 14,460.40
  4. Step 4: Simplify right side
    20,589.04x = 446,588,631.02
  5. Step 5: Solve for x
    x = 446,588,631.02/20,589.04
  6. Step 6: Final answer
    x = 21,690.60

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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.