Home / 28,272.96-39,005.28-17,075.52

Finding the Fourth Proportional to 28,272.96, 39,005.28 and 17,075.52

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Solution

The fourth proportional to 28,272.96, 39,005.28 and 17,075.52 is: 23,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.96 : 39,005.28 = 17,075.52 : x
  2. Step 2: Convert to fraction form
    28,272.96/39,005.28 = 17,075.52/x
  3. Step 3: Cross multiply
    28,272.96x = 39,005.28 × 17,075.52
  4. Step 4: Simplify right side
    28,272.96x = 666,035,438.75
  5. Step 5: Solve for x
    x = 666,035,438.75/28,272.96
  6. Step 6: Final answer
    x = 23,557.33

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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.