Home / 28,920.10-43,339.65-23,007.10

Finding the Fourth Proportional to 28,920.10, 43,339.65 and 23,007.10

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Solution

The fourth proportional to 28,920.10, 43,339.65 and 23,007.10 is: 34,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920.10 : 43,339.65 = 23,007.10 : x
  2. Step 2: Convert to fraction form
    28,920.10/43,339.65 = 23,007.10/x
  3. Step 3: Cross multiply
    28,920.10x = 43,339.65 × 23,007.10
  4. Step 4: Simplify right side
    28,920.10x = 997,119,661.52
  5. Step 5: Solve for x
    x = 997,119,661.52/28,920.10
  6. Step 6: Final answer
    x = 34,478.43

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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.