Home / 27,439.02-37,866.60-15,502.12

Finding the Fourth Proportional to 27,439.02, 37,866.60 and 15,502.12

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Solution

The fourth proportional to 27,439.02, 37,866.60 and 15,502.12 is: 21,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.02 : 37,866.60 = 15,502.12 : x
  2. Step 2: Convert to fraction form
    27,439.02/37,866.60 = 15,502.12/x
  3. Step 3: Cross multiply
    27,439.02x = 37,866.60 × 15,502.12
  4. Step 4: Simplify right side
    27,439.02x = 587,012,577.19
  5. Step 5: Solve for x
    x = 587,012,577.19/27,439.02
  6. Step 6: Final answer
    x = 21,393.35

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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.