Home / 19,323.55-28,812.23-18,973.63

Finding the Fourth Proportional to 19,323.55, 28,812.23 and 18,973.63

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Solution

The fourth proportional to 19,323.55, 28,812.23 and 18,973.63 is: 28,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.55 : 28,812.23 = 18,973.63 : x
  2. Step 2: Convert to fraction form
    19,323.55/28,812.23 = 18,973.63/x
  3. Step 3: Cross multiply
    19,323.55x = 28,812.23 × 18,973.63
  4. Step 4: Simplify right side
    19,323.55x = 546,672,638.93
  5. Step 5: Solve for x
    x = 546,672,638.93/19,323.55
  6. Step 6: Final answer
    x = 28,290.49

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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.