Home / 38,423-57,612.36-15,036.68

Finding the Fourth Proportional to 38,423, 57,612.36 and 15,036.68

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Solution

The fourth proportional to 38,423, 57,612.36 and 15,036.68 is: 22,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423 : 57,612.36 = 15,036.68 : x
  2. Step 2: Convert to fraction form
    38,423/57,612.36 = 15,036.68/x
  3. Step 3: Cross multiply
    38,423x = 57,612.36 × 15,036.68
  4. Step 4: Simplify right side
    38,423x = 866,298,621.36
  5. Step 5: Solve for x
    x = 866,298,621.36/38,423
  6. Step 6: Final answer
    x = 22,546.36

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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.