Home / 28,988.32-43,494.86-12,356.19

Finding the Fourth Proportional to 28,988.32, 43,494.86 and 12,356.19

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Solution

The fourth proportional to 28,988.32, 43,494.86 and 12,356.19 is: 18,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.32 : 43,494.86 = 12,356.19 : x
  2. Step 2: Convert to fraction form
    28,988.32/43,494.86 = 12,356.19/x
  3. Step 3: Cross multiply
    28,988.32x = 43,494.86 × 12,356.19
  4. Step 4: Simplify right side
    28,988.32x = 537,430,754.18
  5. Step 5: Solve for x
    x = 537,430,754.18/28,988.32
  6. Step 6: Final answer
    x = 18,539.56

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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.