Home / 42,723.48-58,887.90-28,571.16

Finding the Fourth Proportional to 42,723.48, 58,887.90 and 28,571.16

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Solution

The fourth proportional to 42,723.48, 58,887.90 and 28,571.16 is: 39,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.48 : 58,887.90 = 28,571.16 : x
  2. Step 2: Convert to fraction form
    42,723.48/58,887.90 = 28,571.16/x
  3. Step 3: Cross multiply
    42,723.48x = 58,887.90 × 28,571.16
  4. Step 4: Simplify right side
    42,723.48x = 1,682,495,612.96
  5. Step 5: Solve for x
    x = 1,682,495,612.96/42,723.48
  6. Step 6: Final answer
    x = 39,381.05

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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.