Home / 21,535.06-29,732.86-19,259.32

Finding the Fourth Proportional to 21,535.06, 29,732.86 and 19,259.32

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Solution

The fourth proportional to 21,535.06, 29,732.86 and 19,259.32 is: 26,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.06 : 29,732.86 = 19,259.32 : x
  2. Step 2: Convert to fraction form
    21,535.06/29,732.86 = 19,259.32/x
  3. Step 3: Cross multiply
    21,535.06x = 29,732.86 × 19,259.32
  4. Step 4: Simplify right side
    21,535.06x = 572,634,665.26
  5. Step 5: Solve for x
    x = 572,634,665.26/21,535.06
  6. Step 6: Final answer
    x = 26,590.81

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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.