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Finding the Fourth Proportional to 25,758.68, 38,616.06 and 25,015.10

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Solution

The fourth proportional to 25,758.68, 38,616.06 and 25,015.10 is: 37,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.68 : 38,616.06 = 25,015.10 : x
  2. Step 2: Convert to fraction form
    25,758.68/38,616.06 = 25,015.10/x
  3. Step 3: Cross multiply
    25,758.68x = 38,616.06 × 25,015.10
  4. Step 4: Simplify right side
    25,758.68x = 965,984,602.51
  5. Step 5: Solve for x
    x = 965,984,602.51/25,758.68
  6. Step 6: Final answer
    x = 37,501.32

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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.