Home / 28,985.42-43,478.36-10,265.53

Finding the Fourth Proportional to 28,985.42, 43,478.36 and 10,265.53

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Solution

The fourth proportional to 28,985.42, 43,478.36 and 10,265.53 is: 15,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985.42 : 43,478.36 = 10,265.53 : x
  2. Step 2: Convert to fraction form
    28,985.42/43,478.36 = 10,265.53/x
  3. Step 3: Cross multiply
    28,985.42x = 43,478.36 × 10,265.53
  4. Step 4: Simplify right side
    28,985.42x = 446,328,408.93
  5. Step 5: Solve for x
    x = 446,328,408.93/28,985.42
  6. Step 6: Final answer
    x = 15,398.38

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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.