Home / 92,428.16-138,642.27-25,878.10

Finding the Fourth Proportional to 92,428.16, 138,642.27 and 25,878.10

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Solution

The fourth proportional to 92,428.16, 138,642.27 and 25,878.10 is: 38,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,428.16 : 138,642.27 = 25,878.10 : x
  2. Step 2: Convert to fraction form
    92,428.16/138,642.27 = 25,878.10/x
  3. Step 3: Cross multiply
    92,428.16x = 138,642.27 × 25,878.10
  4. Step 4: Simplify right side
    92,428.16x = 3,587,798,527.29
  5. Step 5: Solve for x
    x = 3,587,798,527.29/92,428.16
  6. Step 6: Final answer
    x = 38,817.16

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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.