Home / 25,987.47-35,871.93-15,377.08

Finding the Fourth Proportional to 25,987.47, 35,871.93 and 15,377.08

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Solution

The fourth proportional to 25,987.47, 35,871.93 and 15,377.08 is: 21,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.47 : 35,871.93 = 15,377.08 : x
  2. Step 2: Convert to fraction form
    25,987.47/35,871.93 = 15,377.08/x
  3. Step 3: Cross multiply
    25,987.47x = 35,871.93 × 15,377.08
  4. Step 4: Simplify right side
    25,987.47x = 551,605,537.36
  5. Step 5: Solve for x
    x = 551,605,537.36/25,987.47
  6. Step 6: Final answer
    x = 21,225.83

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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.