Home / 28,159.02-38,851.83-16,823.48

Finding the Fourth Proportional to 28,159.02, 38,851.83 and 16,823.48

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Solution

The fourth proportional to 28,159.02, 38,851.83 and 16,823.48 is: 23,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.02 : 38,851.83 = 16,823.48 : x
  2. Step 2: Convert to fraction form
    28,159.02/38,851.83 = 16,823.48/x
  3. Step 3: Cross multiply
    28,159.02x = 38,851.83 × 16,823.48
  4. Step 4: Simplify right side
    28,159.02x = 653,622,790.71
  5. Step 5: Solve for x
    x = 653,622,790.71/28,159.02
  6. Step 6: Final answer
    x = 23,211.84

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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.