Home / 42,428.58-58,580.73-26,520.18

Finding the Fourth Proportional to 42,428.58, 58,580.73 and 26,520.18

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Solution

The fourth proportional to 42,428.58, 58,580.73 and 26,520.18 is: 36,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,428.58 : 58,580.73 = 26,520.18 : x
  2. Step 2: Convert to fraction form
    42,428.58/58,580.73 = 26,520.18/x
  3. Step 3: Cross multiply
    42,428.58x = 58,580.73 × 26,520.18
  4. Step 4: Simplify right side
    42,428.58x = 1,553,571,504.13
  5. Step 5: Solve for x
    x = 1,553,571,504.13/42,428.58
  6. Step 6: Final answer
    x = 36,616.16

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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.