Home / 28,045.02-42,095.25-12,260.95

Finding the Fourth Proportional to 28,045.02, 42,095.25 and 12,260.95

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Solution

The fourth proportional to 28,045.02, 42,095.25 and 12,260.95 is: 18,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.02 : 42,095.25 = 12,260.95 : x
  2. Step 2: Convert to fraction form
    28,045.02/42,095.25 = 12,260.95/x
  3. Step 3: Cross multiply
    28,045.02x = 42,095.25 × 12,260.95
  4. Step 4: Simplify right side
    28,045.02x = 516,127,755.49
  5. Step 5: Solve for x
    x = 516,127,755.49/28,045.02
  6. Step 6: Final answer
    x = 18,403.54

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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.