Home / 18,777.32-28,031.44-17,465.12

Finding the Fourth Proportional to 18,777.32, 28,031.44 and 17,465.12

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Solution

The fourth proportional to 18,777.32, 28,031.44 and 17,465.12 is: 26,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.32 : 28,031.44 = 17,465.12 : x
  2. Step 2: Convert to fraction form
    18,777.32/28,031.44 = 17,465.12/x
  3. Step 3: Cross multiply
    18,777.32x = 28,031.44 × 17,465.12
  4. Step 4: Simplify right side
    18,777.32x = 489,572,463.37
  5. Step 5: Solve for x
    x = 489,572,463.37/18,777.32
  6. Step 6: Final answer
    x = 26,072.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.