Home / 28,303.32-42,442.74-14,254.68

Finding the Fourth Proportional to 28,303.32, 42,442.74 and 14,254.68

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Solution

The fourth proportional to 28,303.32, 42,442.74 and 14,254.68 is: 21,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.32 : 42,442.74 = 14,254.68 : x
  2. Step 2: Convert to fraction form
    28,303.32/42,442.74 = 14,254.68/x
  3. Step 3: Cross multiply
    28,303.32x = 42,442.74 × 14,254.68
  4. Step 4: Simplify right side
    28,303.32x = 605,007,677.02
  5. Step 5: Solve for x
    x = 605,007,677.02/28,303.32
  6. Step 6: Final answer
    x = 21,375.86

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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.