Home / 19,378.48-26,751.12-14,900.64

Finding the Fourth Proportional to 19,378.48, 26,751.12 and 14,900.64

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Solution

The fourth proportional to 19,378.48, 26,751.12 and 14,900.64 is: 20,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.48 : 26,751.12 = 14,900.64 : x
  2. Step 2: Convert to fraction form
    19,378.48/26,751.12 = 14,900.64/x
  3. Step 3: Cross multiply
    19,378.48x = 26,751.12 × 14,900.64
  4. Step 4: Simplify right side
    19,378.48x = 398,608,808.72
  5. Step 5: Solve for x
    x = 398,608,808.72/19,378.48
  6. Step 6: Final answer
    x = 20,569.66

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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.