Home / 19,283.40-28,941.50-13,750.28

Finding the Fourth Proportional to 19,283.40, 28,941.50 and 13,750.28

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Solution

The fourth proportional to 19,283.40, 28,941.50 and 13,750.28 is: 20,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.40 : 28,941.50 = 13,750.28 : x
  2. Step 2: Convert to fraction form
    19,283.40/28,941.50 = 13,750.28/x
  3. Step 3: Cross multiply
    19,283.40x = 28,941.50 × 13,750.28
  4. Step 4: Simplify right side
    19,283.40x = 397,953,728.62
  5. Step 5: Solve for x
    x = 397,953,728.62/19,283.40
  6. Step 6: Final answer
    x = 20,637.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.