Home / 26,657.86-36,787.90-14,721.70

Finding the Fourth Proportional to 26,657.86, 36,787.90 and 14,721.70

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Solution

The fourth proportional to 26,657.86, 36,787.90 and 14,721.70 is: 20,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.86 : 36,787.90 = 14,721.70 : x
  2. Step 2: Convert to fraction form
    26,657.86/36,787.90 = 14,721.70/x
  3. Step 3: Cross multiply
    26,657.86x = 36,787.90 × 14,721.70
  4. Step 4: Simplify right side
    26,657.86x = 541,580,427.43
  5. Step 5: Solve for x
    x = 541,580,427.43/26,657.86
  6. Step 6: Final answer
    x = 20,315.98

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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.