Home / 22,681.16-31,289.10-14,725.88

Finding the Fourth Proportional to 22,681.16, 31,289.10 and 14,725.88

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Solution

The fourth proportional to 22,681.16, 31,289.10 and 14,725.88 is: 20,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.16 : 31,289.10 = 14,725.88 : x
  2. Step 2: Convert to fraction form
    22,681.16/31,289.10 = 14,725.88/x
  3. Step 3: Cross multiply
    22,681.16x = 31,289.10 × 14,725.88
  4. Step 4: Simplify right side
    22,681.16x = 460,759,531.91
  5. Step 5: Solve for x
    x = 460,759,531.91/22,681.16
  6. Step 6: Final answer
    x = 20,314.64

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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.