Home / 26,639.40-36,761.40-14,702.76

Finding the Fourth Proportional to 26,639.40, 36,761.40 and 14,702.76

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Solution

The fourth proportional to 26,639.40, 36,761.40 and 14,702.76 is: 20,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.40 : 36,761.40 = 14,702.76 : x
  2. Step 2: Convert to fraction form
    26,639.40/36,761.40 = 14,702.76/x
  3. Step 3: Cross multiply
    26,639.40x = 36,761.40 × 14,702.76
  4. Step 4: Simplify right side
    26,639.40x = 540,494,041.46
  5. Step 5: Solve for x
    x = 540,494,041.46/26,639.40
  6. Step 6: Final answer
    x = 20,289.27

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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.