Home / 38,341.90-52,908.11-28,275.76

Finding the Fourth Proportional to 38,341.90, 52,908.11 and 28,275.76

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Solution

The fourth proportional to 38,341.90, 52,908.11 and 28,275.76 is: 39,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.90 : 52,908.11 = 28,275.76 : x
  2. Step 2: Convert to fraction form
    38,341.90/52,908.11 = 28,275.76/x
  3. Step 3: Cross multiply
    38,341.90x = 52,908.11 × 28,275.76
  4. Step 4: Simplify right side
    38,341.90x = 1,496,017,020.41
  5. Step 5: Solve for x
    x = 1,496,017,020.41/38,341.90
  6. Step 6: Final answer
    x = 39,017.81

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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.