Home / 28,405.32-42,614.13-10,875.14

Finding the Fourth Proportional to 28,405.32, 42,614.13 and 10,875.14

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Solution

The fourth proportional to 28,405.32, 42,614.13 and 10,875.14 is: 16,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.32 : 42,614.13 = 10,875.14 : x
  2. Step 2: Convert to fraction form
    28,405.32/42,614.13 = 10,875.14/x
  3. Step 3: Cross multiply
    28,405.32x = 42,614.13 × 10,875.14
  4. Step 4: Simplify right side
    28,405.32x = 463,434,416.66
  5. Step 5: Solve for x
    x = 463,434,416.66/28,405.32
  6. Step 6: Final answer
    x = 16,315.06

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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.