Home / 28,001.55-38,643.02-16,068.63

Finding the Fourth Proportional to 28,001.55, 38,643.02 and 16,068.63

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Solution

The fourth proportional to 28,001.55, 38,643.02 and 16,068.63 is: 22,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.55 : 38,643.02 = 16,068.63 : x
  2. Step 2: Convert to fraction form
    28,001.55/38,643.02 = 16,068.63/x
  3. Step 3: Cross multiply
    28,001.55x = 38,643.02 × 16,068.63
  4. Step 4: Simplify right side
    28,001.55x = 620,940,390.46
  5. Step 5: Solve for x
    x = 620,940,390.46/28,001.55
  6. Step 6: Final answer
    x = 22,175.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.