Home / 28,698.57-43,038.28-12,055.50

Finding the Fourth Proportional to 28,698.57, 43,038.28 and 12,055.50

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Solution

The fourth proportional to 28,698.57, 43,038.28 and 12,055.50 is: 18,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.57 : 43,038.28 = 12,055.50 : x
  2. Step 2: Convert to fraction form
    28,698.57/43,038.28 = 12,055.50/x
  3. Step 3: Cross multiply
    28,698.57x = 43,038.28 × 12,055.50
  4. Step 4: Simplify right side
    28,698.57x = 518,847,809.57
  5. Step 5: Solve for x
    x = 518,847,809.57/28,698.57
  6. Step 6: Final answer
    x = 18,079.22

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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.