Home / 28,857.30-43,275.15-10,130.10

Finding the Fourth Proportional to 28,857.30, 43,275.15 and 10,130.10

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Solution

The fourth proportional to 28,857.30, 43,275.15 and 10,130.10 is: 15,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.30 : 43,275.15 = 10,130.10 : x
  2. Step 2: Convert to fraction form
    28,857.30/43,275.15 = 10,130.10/x
  3. Step 3: Cross multiply
    28,857.30x = 43,275.15 × 10,130.10
  4. Step 4: Simplify right side
    28,857.30x = 438,381,597.02
  5. Step 5: Solve for x
    x = 438,381,597.02/28,857.30
  6. Step 6: Final answer
    x = 15,191.36

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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.