Home / 28,975.98-39,985.47-17,795.82

Finding the Fourth Proportional to 28,975.98, 39,985.47 and 17,795.82

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Solution

The fourth proportional to 28,975.98, 39,985.47 and 17,795.82 is: 24,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.98 : 39,985.47 = 17,795.82 : x
  2. Step 2: Convert to fraction form
    28,975.98/39,985.47 = 17,795.82/x
  3. Step 3: Cross multiply
    28,975.98x = 39,985.47 × 17,795.82
  4. Step 4: Simplify right side
    28,975.98x = 711,574,226.74
  5. Step 5: Solve for x
    x = 711,574,226.74/28,975.98
  6. Step 6: Final answer
    x = 24,557.38

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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.