Home / 28,138.34-42,027.80-25,465.84

Finding the Fourth Proportional to 28,138.34, 42,027.80 and 25,465.84

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Solution

The fourth proportional to 28,138.34, 42,027.80 and 25,465.84 is: 38,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,138.34 : 42,027.80 = 25,465.84 : x
  2. Step 2: Convert to fraction form
    28,138.34/42,027.80 = 25,465.84/x
  3. Step 3: Cross multiply
    28,138.34x = 42,027.80 × 25,465.84
  4. Step 4: Simplify right side
    28,138.34x = 1,070,273,341.79
  5. Step 5: Solve for x
    x = 1,070,273,341.79/28,138.34
  6. Step 6: Final answer
    x = 38,036.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.