Home / 28,903.79-43,354.85-13,097.40

Finding the Fourth Proportional to 28,903.79, 43,354.85 and 13,097.40

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Solution

The fourth proportional to 28,903.79, 43,354.85 and 13,097.40 is: 19,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.79 : 43,354.85 = 13,097.40 : x
  2. Step 2: Convert to fraction form
    28,903.79/43,354.85 = 13,097.40/x
  3. Step 3: Cross multiply
    28,903.79x = 43,354.85 × 13,097.40
  4. Step 4: Simplify right side
    28,903.79x = 567,835,584.32
  5. Step 5: Solve for x
    x = 567,835,584.32/28,903.79
  6. Step 6: Final answer
    x = 19,645.72

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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.