Home / 27,078.79-37,368.40-14,979.93

Finding the Fourth Proportional to 27,078.79, 37,368.40 and 14,979.93

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Solution

The fourth proportional to 27,078.79, 37,368.40 and 14,979.93 is: 20,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.79 : 37,368.40 = 14,979.93 : x
  2. Step 2: Convert to fraction form
    27,078.79/37,368.40 = 14,979.93/x
  3. Step 3: Cross multiply
    27,078.79x = 37,368.40 × 14,979.93
  4. Step 4: Simplify right side
    27,078.79x = 559,776,016.21
  5. Step 5: Solve for x
    x = 559,776,016.21/27,078.79
  6. Step 6: Final answer
    x = 20,672.12

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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.