Home / 28,649.48-39,535.65-15,901.91

Finding the Fourth Proportional to 28,649.48, 39,535.65 and 15,901.91

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Solution

The fourth proportional to 28,649.48, 39,535.65 and 15,901.91 is: 21,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,649.48 : 39,535.65 = 15,901.91 : x
  2. Step 2: Convert to fraction form
    28,649.48/39,535.65 = 15,901.91/x
  3. Step 3: Cross multiply
    28,649.48x = 39,535.65 × 15,901.91
  4. Step 4: Simplify right side
    28,649.48x = 628,692,150.41
  5. Step 5: Solve for x
    x = 628,692,150.41/28,649.48
  6. Step 6: Final answer
    x = 21,944.28

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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.