Home / 26,315.31-36,314.71-14,378.40

Finding the Fourth Proportional to 26,315.31, 36,314.71 and 14,378.40

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Solution

The fourth proportional to 26,315.31, 36,314.71 and 14,378.40 is: 19,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.31 : 36,314.71 = 14,378.40 : x
  2. Step 2: Convert to fraction form
    26,315.31/36,314.71 = 14,378.40/x
  3. Step 3: Cross multiply
    26,315.31x = 36,314.71 × 14,378.40
  4. Step 4: Simplify right side
    26,315.31x = 522,147,390.32
  5. Step 5: Solve for x
    x = 522,147,390.32/26,315.31
  6. Step 6: Final answer
    x = 19,841.96

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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.