Home / 42,915.64-59,215.80-27,021.28

Finding the Fourth Proportional to 42,915.64, 59,215.80 and 27,021.28

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Solution

The fourth proportional to 42,915.64, 59,215.80 and 27,021.28 is: 37,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,915.64 : 59,215.80 = 27,021.28 : x
  2. Step 2: Convert to fraction form
    42,915.64/59,215.80 = 27,021.28/x
  3. Step 3: Cross multiply
    42,915.64x = 59,215.80 × 27,021.28
  4. Step 4: Simplify right side
    42,915.64x = 1,600,086,712.22
  5. Step 5: Solve for x
    x = 1,600,086,712.22/42,915.64
  6. Step 6: Final answer
    x = 37,284.47

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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.