Home / 28,264.48-42,397.63-14,216.85

Finding the Fourth Proportional to 28,264.48, 42,397.63 and 14,216.85

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Solution

The fourth proportional to 28,264.48, 42,397.63 and 14,216.85 is: 21,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.48 : 42,397.63 = 14,216.85 : x
  2. Step 2: Convert to fraction form
    28,264.48/42,397.63 = 14,216.85/x
  3. Step 3: Cross multiply
    28,264.48x = 42,397.63 × 14,216.85
  4. Step 4: Simplify right side
    28,264.48x = 602,760,710.52
  5. Step 5: Solve for x
    x = 602,760,710.52/28,264.48
  6. Step 6: Final answer
    x = 21,325.73

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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.