Home / 28,652.02-42,990.94-15,488.98

Finding the Fourth Proportional to 28,652.02, 42,990.94 and 15,488.98

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Solution

The fourth proportional to 28,652.02, 42,990.94 and 15,488.98 is: 23,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.02 : 42,990.94 = 15,488.98 : x
  2. Step 2: Convert to fraction form
    28,652.02/42,990.94 = 15,488.98/x
  3. Step 3: Cross multiply
    28,652.02x = 42,990.94 × 15,488.98
  4. Step 4: Simplify right side
    28,652.02x = 665,885,809.84
  5. Step 5: Solve for x
    x = 665,885,809.84/28,652.02
  6. Step 6: Final answer
    x = 23,240.45

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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.