Home / 22,657.90-31,267.46-12,585.89

Finding the Fourth Proportional to 22,657.90, 31,267.46 and 12,585.89

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Solution

The fourth proportional to 22,657.90, 31,267.46 and 12,585.89 is: 17,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.90 : 31,267.46 = 12,585.89 : x
  2. Step 2: Convert to fraction form
    22,657.90/31,267.46 = 12,585.89/x
  3. Step 3: Cross multiply
    22,657.90x = 31,267.46 × 12,585.89
  4. Step 4: Simplify right side
    22,657.90x = 393,528,655.80
  5. Step 5: Solve for x
    x = 393,528,655.80/22,657.90
  6. Step 6: Final answer
    x = 17,368.28

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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.