Home / 19,259.27-28,888.50-8,871.02

Finding the Fourth Proportional to 19,259.27, 28,888.50 and 8,871.02

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Solution

The fourth proportional to 19,259.27, 28,888.50 and 8,871.02 is: 13,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.27 : 28,888.50 = 8,871.02 : x
  2. Step 2: Convert to fraction form
    19,259.27/28,888.50 = 8,871.02/x
  3. Step 3: Cross multiply
    19,259.27x = 28,888.50 × 8,871.02
  4. Step 4: Simplify right side
    19,259.27x = 256,270,408.53
  5. Step 5: Solve for x
    x = 256,270,408.53/19,259.27
  6. Step 6: Final answer
    x = 13,306.34

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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.