Home / 28,003.59-42,006.20-10,470.06

Finding the Fourth Proportional to 28,003.59, 42,006.20 and 10,470.06

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Solution

The fourth proportional to 28,003.59, 42,006.20 and 10,470.06 is: 15,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.59 : 42,006.20 = 10,470.06 : x
  2. Step 2: Convert to fraction form
    28,003.59/42,006.20 = 10,470.06/x
  3. Step 3: Cross multiply
    28,003.59x = 42,006.20 × 10,470.06
  4. Step 4: Simplify right side
    28,003.59x = 439,807,382.02
  5. Step 5: Solve for x
    x = 439,807,382.02/28,003.59
  6. Step 6: Final answer
    x = 15,705.39

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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.