Home / 25,007.20-37,461.68-19,430.40

Finding the Fourth Proportional to 25,007.20, 37,461.68 and 19,430.40

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Solution

The fourth proportional to 25,007.20, 37,461.68 and 19,430.40 is: 29,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.20 : 37,461.68 = 19,430.40 : x
  2. Step 2: Convert to fraction form
    25,007.20/37,461.68 = 19,430.40/x
  3. Step 3: Cross multiply
    25,007.20x = 37,461.68 × 19,430.40
  4. Step 4: Simplify right side
    25,007.20x = 727,895,427.07
  5. Step 5: Solve for x
    x = 727,895,427.07/25,007.20
  6. Step 6: Final answer
    x = 29,107.43

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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.