Home / 27,293.02-37,664.13-15,355.78

Finding the Fourth Proportional to 27,293.02, 37,664.13 and 15,355.78

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Solution

The fourth proportional to 27,293.02, 37,664.13 and 15,355.78 is: 21,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.02 : 37,664.13 = 15,355.78 : x
  2. Step 2: Convert to fraction form
    27,293.02/37,664.13 = 15,355.78/x
  3. Step 3: Cross multiply
    27,293.02x = 37,664.13 × 15,355.78
  4. Step 4: Simplify right side
    27,293.02x = 578,362,094.17
  5. Step 5: Solve for x
    x = 578,362,094.17/27,293.02
  6. Step 6: Final answer
    x = 21,190.84

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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.