Home / 28,557.68-42,842.28-10,102.64

Finding the Fourth Proportional to 28,557.68, 42,842.28 and 10,102.64

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Solution

The fourth proportional to 28,557.68, 42,842.28 and 10,102.64 is: 15,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.68 : 42,842.28 = 10,102.64 : x
  2. Step 2: Convert to fraction form
    28,557.68/42,842.28 = 10,102.64/x
  3. Step 3: Cross multiply
    28,557.68x = 42,842.28 × 10,102.64
  4. Step 4: Simplify right side
    28,557.68x = 432,820,131.62
  5. Step 5: Solve for x
    x = 432,820,131.62/28,557.68
  6. Step 6: Final answer
    x = 15,156.00

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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.