Home / 19,440.40-29,117.40-15,984.40

Finding the Fourth Proportional to 19,440.40, 29,117.40 and 15,984.40

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Solution

The fourth proportional to 19,440.40, 29,117.40 and 15,984.40 is: 23,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.40 : 29,117.40 = 15,984.40 : x
  2. Step 2: Convert to fraction form
    19,440.40/29,117.40 = 15,984.40/x
  3. Step 3: Cross multiply
    19,440.40x = 29,117.40 × 15,984.40
  4. Step 4: Simplify right side
    19,440.40x = 465,424,168.56
  5. Step 5: Solve for x
    x = 465,424,168.56/19,440.40
  6. Step 6: Final answer
    x = 23,941.08

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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.