Home / 26,415.64-36,453.84-14,478.70

Finding the Fourth Proportional to 26,415.64, 36,453.84 and 14,478.70

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Solution

The fourth proportional to 26,415.64, 36,453.84 and 14,478.70 is: 19,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.64 : 36,453.84 = 14,478.70 : x
  2. Step 2: Convert to fraction form
    26,415.64/36,453.84 = 14,478.70/x
  3. Step 3: Cross multiply
    26,415.64x = 36,453.84 × 14,478.70
  4. Step 4: Simplify right side
    26,415.64x = 527,804,213.21
  5. Step 5: Solve for x
    x = 527,804,213.21/26,415.64
  6. Step 6: Final answer
    x = 19,980.75

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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.