Home / 28,277.03-39,039.27-17,681.06

Finding the Fourth Proportional to 28,277.03, 39,039.27 and 17,681.06

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Solution

The fourth proportional to 28,277.03, 39,039.27 and 17,681.06 is: 24,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.03 : 39,039.27 = 17,681.06 : x
  2. Step 2: Convert to fraction form
    28,277.03/39,039.27 = 17,681.06/x
  3. Step 3: Cross multiply
    28,277.03x = 39,039.27 × 17,681.06
  4. Step 4: Simplify right side
    28,277.03x = 690,255,675.23
  5. Step 5: Solve for x
    x = 690,255,675.23/28,277.03
  6. Step 6: Final answer
    x = 24,410.47

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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.