Home / 28,463.82-39,271.95-18,392.46

Finding the Fourth Proportional to 28,463.82, 39,271.95 and 18,392.46

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Solution

The fourth proportional to 28,463.82, 39,271.95 and 18,392.46 is: 25,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.82 : 39,271.95 = 18,392.46 : x
  2. Step 2: Convert to fraction form
    28,463.82/39,271.95 = 18,392.46/x
  3. Step 3: Cross multiply
    28,463.82x = 39,271.95 × 18,392.46
  4. Step 4: Simplify right side
    28,463.82x = 722,307,769.50
  5. Step 5: Solve for x
    x = 722,307,769.50/28,463.82
  6. Step 6: Final answer
    x = 25,376.35

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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.