Home / 25,988.90-38,998.25-25,777.49

Finding the Fourth Proportional to 25,988.90, 38,998.25 and 25,777.49

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Solution

The fourth proportional to 25,988.90, 38,998.25 and 25,777.49 is: 38,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.90 : 38,998.25 = 25,777.49 : x
  2. Step 2: Convert to fraction form
    25,988.90/38,998.25 = 25,777.49/x
  3. Step 3: Cross multiply
    25,988.90x = 38,998.25 × 25,777.49
  4. Step 4: Simplify right side
    25,988.90x = 1,005,276,675.51
  5. Step 5: Solve for x
    x = 1,005,276,675.51/25,988.90
  6. Step 6: Final answer
    x = 38,681.01

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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.