Home / 26,136.64-36,063.36-15,378.64

Finding the Fourth Proportional to 26,136.64, 36,063.36 and 15,378.64

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Solution

The fourth proportional to 26,136.64, 36,063.36 and 15,378.64 is: 21,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.64 : 36,063.36 = 15,378.64 : x
  2. Step 2: Convert to fraction form
    26,136.64/36,063.36 = 15,378.64/x
  3. Step 3: Cross multiply
    26,136.64x = 36,063.36 × 15,378.64
  4. Step 4: Simplify right side
    26,136.64x = 554,605,430.63
  5. Step 5: Solve for x
    x = 554,605,430.63/26,136.64
  6. Step 6: Final answer
    x = 21,219.46

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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.