Home / 25,281.09-37,926.09-8,637.21

Finding the Fourth Proportional to 25,281.09, 37,926.09 and 8,637.21

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Solution

The fourth proportional to 25,281.09, 37,926.09 and 8,637.21 is: 12,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.09 : 37,926.09 = 8,637.21 : x
  2. Step 2: Convert to fraction form
    25,281.09/37,926.09 = 8,637.21/x
  3. Step 3: Cross multiply
    25,281.09x = 37,926.09 × 8,637.21
  4. Step 4: Simplify right side
    25,281.09x = 327,575,603.81
  5. Step 5: Solve for x
    x = 327,575,603.81/25,281.09
  6. Step 6: Final answer
    x = 12,957.34

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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.