Home / 28,897.20-43,313.40-14,851.80

Finding the Fourth Proportional to 28,897.20, 43,313.40 and 14,851.80

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Solution

The fourth proportional to 28,897.20, 43,313.40 and 14,851.80 is: 22,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.20 : 43,313.40 = 14,851.80 : x
  2. Step 2: Convert to fraction form
    28,897.20/43,313.40 = 14,851.80/x
  3. Step 3: Cross multiply
    28,897.20x = 43,313.40 × 14,851.80
  4. Step 4: Simplify right side
    28,897.20x = 643,281,954.12
  5. Step 5: Solve for x
    x = 643,281,954.12/28,897.20
  6. Step 6: Final answer
    x = 22,261.05

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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.