Home / 42,859.38-59,133.15-27,728.08

Finding the Fourth Proportional to 42,859.38, 59,133.15 and 27,728.08

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Solution

The fourth proportional to 42,859.38, 59,133.15 and 27,728.08 is: 38,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,859.38 : 59,133.15 = 27,728.08 : x
  2. Step 2: Convert to fraction form
    42,859.38/59,133.15 = 27,728.08/x
  3. Step 3: Cross multiply
    42,859.38x = 59,133.15 × 27,728.08
  4. Step 4: Simplify right side
    42,859.38x = 1,639,648,418.19
  5. Step 5: Solve for x
    x = 1,639,648,418.19/42,859.38
  6. Step 6: Final answer
    x = 38,256.47

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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.