Home / 36,428.04-54,642.15-10,132.79

Finding the Fourth Proportional to 36,428.04, 54,642.15 and 10,132.79

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Solution

The fourth proportional to 36,428.04, 54,642.15 and 10,132.79 is: 15,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.04 : 54,642.15 = 10,132.79 : x
  2. Step 2: Convert to fraction form
    36,428.04/54,642.15 = 10,132.79/x
  3. Step 3: Cross multiply
    36,428.04x = 54,642.15 × 10,132.79
  4. Step 4: Simplify right side
    36,428.04x = 553,677,157.89
  5. Step 5: Solve for x
    x = 553,677,157.89/36,428.04
  6. Step 6: Final answer
    x = 15,199.20

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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.