Home / 42,158.16-58,190.40-27,828.46

Finding the Fourth Proportional to 42,158.16, 58,190.40 and 27,828.46

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Solution

The fourth proportional to 42,158.16, 58,190.40 and 27,828.46 is: 38,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,158.16 : 58,190.40 = 27,828.46 : x
  2. Step 2: Convert to fraction form
    42,158.16/58,190.40 = 27,828.46/x
  3. Step 3: Cross multiply
    42,158.16x = 58,190.40 × 27,828.46
  4. Step 4: Simplify right side
    42,158.16x = 1,619,349,218.78
  5. Step 5: Solve for x
    x = 1,619,349,218.78/42,158.16
  6. Step 6: Final answer
    x = 38,411.29

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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.