Home / 38,425.36-52,966.40-28,851.43

Finding the Fourth Proportional to 38,425.36, 52,966.40 and 28,851.43

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Solution

The fourth proportional to 38,425.36, 52,966.40 and 28,851.43 is: 39,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.36 : 52,966.40 = 28,851.43 : x
  2. Step 2: Convert to fraction form
    38,425.36/52,966.40 = 28,851.43/x
  3. Step 3: Cross multiply
    38,425.36x = 52,966.40 × 28,851.43
  4. Step 4: Simplify right side
    38,425.36x = 1,528,156,381.95
  5. Step 5: Solve for x
    x = 1,528,156,381.95/38,425.36
  6. Step 6: Final answer
    x = 39,769.47

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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.