Home / 28,155.47-38,647.55-24,897.35

Finding the Fourth Proportional to 28,155.47, 38,647.55 and 24,897.35

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Solution

The fourth proportional to 28,155.47, 38,647.55 and 24,897.35 is: 34,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155.47 : 38,647.55 = 24,897.35 : x
  2. Step 2: Convert to fraction form
    28,155.47/38,647.55 = 24,897.35/x
  3. Step 3: Cross multiply
    28,155.47x = 38,647.55 × 24,897.35
  4. Step 4: Simplify right side
    28,155.47x = 962,221,261.27
  5. Step 5: Solve for x
    x = 962,221,261.27/28,155.47
  6. Step 6: Final answer
    x = 34,175.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.