Home / 26,378.96-36,403.07-14,443.40

Finding the Fourth Proportional to 26,378.96, 36,403.07 and 14,443.40

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Solution

The fourth proportional to 26,378.96, 36,403.07 and 14,443.40 is: 19,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.96 : 36,403.07 = 14,443.40 : x
  2. Step 2: Convert to fraction form
    26,378.96/36,403.07 = 14,443.40/x
  3. Step 3: Cross multiply
    26,378.96x = 36,403.07 × 14,443.40
  4. Step 4: Simplify right side
    26,378.96x = 525,784,120.03
  5. Step 5: Solve for x
    x = 525,784,120.03/26,378.96
  6. Step 6: Final answer
    x = 19,931.95

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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.