Home / 42,787.64-59,027.29-27,685.22

Finding the Fourth Proportional to 42,787.64, 59,027.29 and 27,685.22

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Solution

The fourth proportional to 42,787.64, 59,027.29 and 27,685.22 is: 38,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,787.64 : 59,027.29 = 27,685.22 : x
  2. Step 2: Convert to fraction form
    42,787.64/59,027.29 = 27,685.22/x
  3. Step 3: Cross multiply
    42,787.64x = 59,027.29 × 27,685.22
  4. Step 4: Simplify right side
    42,787.64x = 1,634,183,509.65
  5. Step 5: Solve for x
    x = 1,634,183,509.65/42,787.64
  6. Step 6: Final answer
    x = 38,192.89

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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.