Home / 19,988.07-27,582.26-11,488.16

Finding the Fourth Proportional to 19,988.07, 27,582.26 and 11,488.16

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Solution

The fourth proportional to 19,988.07, 27,582.26 and 11,488.16 is: 15,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.07 : 27,582.26 = 11,488.16 : x
  2. Step 2: Convert to fraction form
    19,988.07/27,582.26 = 11,488.16/x
  3. Step 3: Cross multiply
    19,988.07x = 27,582.26 × 11,488.16
  4. Step 4: Simplify right side
    19,988.07x = 316,869,427.56
  5. Step 5: Solve for x
    x = 316,869,427.56/19,988.07
  6. Step 6: Final answer
    x = 15,852.93

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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.