Home / 28,476.72-39,298.02-15,901.56

Finding the Fourth Proportional to 28,476.72, 39,298.02 and 15,901.56

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Solution

The fourth proportional to 28,476.72, 39,298.02 and 15,901.56 is: 21,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.72 : 39,298.02 = 15,901.56 : x
  2. Step 2: Convert to fraction form
    28,476.72/39,298.02 = 15,901.56/x
  3. Step 3: Cross multiply
    28,476.72x = 39,298.02 × 15,901.56
  4. Step 4: Simplify right side
    28,476.72x = 624,899,822.91
  5. Step 5: Solve for x
    x = 624,899,822.91/28,476.72
  6. Step 6: Final answer
    x = 21,944.23

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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.