Home / 26,130.57-36,056.25-15,520.02

Finding the Fourth Proportional to 26,130.57, 36,056.25 and 15,520.02

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Solution

The fourth proportional to 26,130.57, 36,056.25 and 15,520.02 is: 21,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.57 : 36,056.25 = 15,520.02 : x
  2. Step 2: Convert to fraction form
    26,130.57/36,056.25 = 15,520.02/x
  3. Step 3: Cross multiply
    26,130.57x = 36,056.25 × 15,520.02
  4. Step 4: Simplify right side
    26,130.57x = 559,593,721.13
  5. Step 5: Solve for x
    x = 559,593,721.13/26,130.57
  6. Step 6: Final answer
    x = 21,415.29

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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.