Home / 28,045.77-42,056.34-10,503.30

Finding the Fourth Proportional to 28,045.77, 42,056.34 and 10,503.30

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Solution

The fourth proportional to 28,045.77, 42,056.34 and 10,503.30 is: 15,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.77 : 42,056.34 = 10,503.30 : x
  2. Step 2: Convert to fraction form
    28,045.77/42,056.34 = 10,503.30/x
  3. Step 3: Cross multiply
    28,045.77x = 42,056.34 × 10,503.30
  4. Step 4: Simplify right side
    28,045.77x = 441,730,355.92
  5. Step 5: Solve for x
    x = 441,730,355.92/28,045.77
  6. Step 6: Final answer
    x = 15,750.34

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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.