Home / 28,031.52-42,005.76-23,069.13

Finding the Fourth Proportional to 28,031.52, 42,005.76 and 23,069.13

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Solution

The fourth proportional to 28,031.52, 42,005.76 and 23,069.13 is: 34,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.52 : 42,005.76 = 23,069.13 : x
  2. Step 2: Convert to fraction form
    28,031.52/42,005.76 = 23,069.13/x
  3. Step 3: Cross multiply
    28,031.52x = 42,005.76 × 23,069.13
  4. Step 4: Simplify right side
    28,031.52x = 969,036,330.44
  5. Step 5: Solve for x
    x = 969,036,330.44/28,031.52
  6. Step 6: Final answer
    x = 34,569.53

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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.