Home / 28,647.02-42,954.81-9,925.39

Finding the Fourth Proportional to 28,647.02, 42,954.81 and 9,925.39

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Solution

The fourth proportional to 28,647.02, 42,954.81 and 9,925.39 is: 14,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647.02 : 42,954.81 = 9,925.39 : x
  2. Step 2: Convert to fraction form
    28,647.02/42,954.81 = 9,925.39/x
  3. Step 3: Cross multiply
    28,647.02x = 42,954.81 × 9,925.39
  4. Step 4: Simplify right side
    28,647.02x = 426,343,016.48
  5. Step 5: Solve for x
    x = 426,343,016.48/28,647.02
  6. Step 6: Final answer
    x = 14,882.63

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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.