Home / 38,326.05-52,875.27-28,278.47

Finding the Fourth Proportional to 38,326.05, 52,875.27 and 28,278.47

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Solution

The fourth proportional to 38,326.05, 52,875.27 and 28,278.47 is: 39,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.05 : 52,875.27 = 28,278.47 : x
  2. Step 2: Convert to fraction form
    38,326.05/52,875.27 = 28,278.47/x
  3. Step 3: Cross multiply
    38,326.05x = 52,875.27 × 28,278.47
  4. Step 4: Simplify right side
    38,326.05x = 1,495,231,472.06
  5. Step 5: Solve for x
    x = 1,495,231,472.06/38,326.05
  6. Step 6: Final answer
    x = 39,013.45

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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.