Home / 28,497.45-42,746.90-13,501.05

Finding the Fourth Proportional to 28,497.45, 42,746.90 and 13,501.05

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Solution

The fourth proportional to 28,497.45, 42,746.90 and 13,501.05 is: 20,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.45 : 42,746.90 = 13,501.05 : x
  2. Step 2: Convert to fraction form
    28,497.45/42,746.90 = 13,501.05/x
  3. Step 3: Cross multiply
    28,497.45x = 42,746.90 × 13,501.05
  4. Step 4: Simplify right side
    28,497.45x = 577,128,174.86
  5. Step 5: Solve for x
    x = 577,128,174.86/28,497.45
  6. Step 6: Final answer
    x = 20,251.93

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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.