Home / 43,502.15-60,015.02-28,389.38

Finding the Fourth Proportional to 43,502.15, 60,015.02 and 28,389.38

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Solution

The fourth proportional to 43,502.15, 60,015.02 and 28,389.38 is: 39,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,502.15 : 60,015.02 = 28,389.38 : x
  2. Step 2: Convert to fraction form
    43,502.15/60,015.02 = 28,389.38/x
  3. Step 3: Cross multiply
    43,502.15x = 60,015.02 × 28,389.38
  4. Step 4: Simplify right side
    43,502.15x = 1,703,788,766.47
  5. Step 5: Solve for x
    x = 1,703,788,766.47/43,502.15
  6. Step 6: Final answer
    x = 39,165.63

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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.