Home / 25,721.51-38,554.93-12,386.19

Finding the Fourth Proportional to 25,721.51, 38,554.93 and 12,386.19

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Solution

The fourth proportional to 25,721.51, 38,554.93 and 12,386.19 is: 18,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.51 : 38,554.93 = 12,386.19 : x
  2. Step 2: Convert to fraction form
    25,721.51/38,554.93 = 12,386.19/x
  3. Step 3: Cross multiply
    25,721.51x = 38,554.93 × 12,386.19
  4. Step 4: Simplify right side
    25,721.51x = 477,548,853.33
  5. Step 5: Solve for x
    x = 477,548,853.33/25,721.51
  6. Step 6: Final answer
    x = 18,566.13

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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.