Home / 28,148.16-38,862.54-18,080.94

Finding the Fourth Proportional to 28,148.16, 38,862.54 and 18,080.94

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Solution

The fourth proportional to 28,148.16, 38,862.54 and 18,080.94 is: 24,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.16 : 38,862.54 = 18,080.94 : x
  2. Step 2: Convert to fraction form
    28,148.16/38,862.54 = 18,080.94/x
  3. Step 3: Cross multiply
    28,148.16x = 38,862.54 × 18,080.94
  4. Step 4: Simplify right side
    28,148.16x = 702,671,253.99
  5. Step 5: Solve for x
    x = 702,671,253.99/28,148.16
  6. Step 6: Final answer
    x = 24,963.31

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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.