Home / 26,116.20-36,052.08-15,509.28

Finding the Fourth Proportional to 26,116.20, 36,052.08 and 15,509.28

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Solution

The fourth proportional to 26,116.20, 36,052.08 and 15,509.28 is: 21,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,116.20 : 36,052.08 = 15,509.28 : x
  2. Step 2: Convert to fraction form
    26,116.20/36,052.08 = 15,509.28/x
  3. Step 3: Cross multiply
    26,116.20x = 36,052.08 × 15,509.28
  4. Step 4: Simplify right side
    26,116.20x = 559,141,803.30
  5. Step 5: Solve for x
    x = 559,141,803.30/26,116.20
  6. Step 6: Final answer
    x = 21,409.77

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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.