Home / 38,282.49-57,430.59-15,780.63

Finding the Fourth Proportional to 38,282.49, 57,430.59 and 15,780.63

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Solution

The fourth proportional to 38,282.49, 57,430.59 and 15,780.63 is: 23,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.49 : 57,430.59 = 15,780.63 : x
  2. Step 2: Convert to fraction form
    38,282.49/57,430.59 = 15,780.63/x
  3. Step 3: Cross multiply
    38,282.49x = 57,430.59 × 15,780.63
  4. Step 4: Simplify right side
    38,282.49x = 906,290,891.47
  5. Step 5: Solve for x
    x = 906,290,891.47/38,282.49
  6. Step 6: Final answer
    x = 23,673.77

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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.