Home / 22,887.15-31,567.95-21,004.83

Finding the Fourth Proportional to 22,887.15, 31,567.95 and 21,004.83

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Solution

The fourth proportional to 22,887.15, 31,567.95 and 21,004.83 is: 28,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,887.15 : 31,567.95 = 21,004.83 : x
  2. Step 2: Convert to fraction form
    22,887.15/31,567.95 = 21,004.83/x
  3. Step 3: Cross multiply
    22,887.15x = 31,567.95 × 21,004.83
  4. Step 4: Simplify right side
    22,887.15x = 663,079,423.20
  5. Step 5: Solve for x
    x = 663,079,423.20/22,887.15
  6. Step 6: Final answer
    x = 28,971.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.