Home / 23,750.23-32,780.80-15,685.49

Finding the Fourth Proportional to 23,750.23, 32,780.80 and 15,685.49

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Solution

The fourth proportional to 23,750.23, 32,780.80 and 15,685.49 is: 21,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.23 : 32,780.80 = 15,685.49 : x
  2. Step 2: Convert to fraction form
    23,750.23/32,780.80 = 15,685.49/x
  3. Step 3: Cross multiply
    23,750.23x = 32,780.80 × 15,685.49
  4. Step 4: Simplify right side
    23,750.23x = 514,182,668.26
  5. Step 5: Solve for x
    x = 514,182,668.26/23,750.23
  6. Step 6: Final answer
    x = 21,649.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.