Home / 28,158.74-42,258.91-22,678.23

Finding the Fourth Proportional to 28,158.74, 42,258.91 and 22,678.23

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Solution

The fourth proportional to 28,158.74, 42,258.91 and 22,678.23 is: 34,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.74 : 42,258.91 = 22,678.23 : x
  2. Step 2: Convert to fraction form
    28,158.74/42,258.91 = 22,678.23/x
  3. Step 3: Cross multiply
    28,158.74x = 42,258.91 × 22,678.23
  4. Step 4: Simplify right side
    28,158.74x = 958,357,280.53
  5. Step 5: Solve for x
    x = 958,357,280.53/28,158.74
  6. Step 6: Final answer
    x = 34,034.10

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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.