Home / 27,345.36-40,988.88-11,547.12

Finding the Fourth Proportional to 27,345.36, 40,988.88 and 11,547.12

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Solution

The fourth proportional to 27,345.36, 40,988.88 and 11,547.12 is: 17,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.36 : 40,988.88 = 11,547.12 : x
  2. Step 2: Convert to fraction form
    27,345.36/40,988.88 = 11,547.12/x
  3. Step 3: Cross multiply
    27,345.36x = 40,988.88 × 11,547.12
  4. Step 4: Simplify right side
    27,345.36x = 473,303,516.03
  5. Step 5: Solve for x
    x = 473,303,516.03/27,345.36
  6. Step 6: Final answer
    x = 17,308.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.