Home / 23,880.47-35,771.45-13,989.74

Finding the Fourth Proportional to 23,880.47, 35,771.45 and 13,989.74

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Solution

The fourth proportional to 23,880.47, 35,771.45 and 13,989.74 is: 20,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,880.47 : 35,771.45 = 13,989.74 : x
  2. Step 2: Convert to fraction form
    23,880.47/35,771.45 = 13,989.74/x
  3. Step 3: Cross multiply
    23,880.47x = 35,771.45 × 13,989.74
  4. Step 4: Simplify right side
    23,880.47x = 500,433,036.12
  5. Step 5: Solve for x
    x = 500,433,036.12/23,880.47
  6. Step 6: Final answer
    x = 20,955.75

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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.