Home / 26,205.32-36,159.01-15,459.26

Finding the Fourth Proportional to 26,205.32, 36,159.01 and 15,459.26

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Solution

The fourth proportional to 26,205.32, 36,159.01 and 15,459.26 is: 21,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.32 : 36,159.01 = 15,459.26 : x
  2. Step 2: Convert to fraction form
    26,205.32/36,159.01 = 15,459.26/x
  3. Step 3: Cross multiply
    26,205.32x = 36,159.01 × 15,459.26
  4. Step 4: Simplify right side
    26,205.32x = 558,991,317.49
  5. Step 5: Solve for x
    x = 558,991,317.49/26,205.32
  6. Step 6: Final answer
    x = 21,331.21

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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.