Home / 23,681.79-32,680.40-13,071.47

Finding the Fourth Proportional to 23,681.79, 32,680.40 and 13,071.47

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Solution

The fourth proportional to 23,681.79, 32,680.40 and 13,071.47 is: 18,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.79 : 32,680.40 = 13,071.47 : x
  2. Step 2: Convert to fraction form
    23,681.79/32,680.40 = 13,071.47/x
  3. Step 3: Cross multiply
    23,681.79x = 32,680.40 × 13,071.47
  4. Step 4: Simplify right side
    23,681.79x = 427,180,639.43
  5. Step 5: Solve for x
    x = 427,180,639.43/23,681.79
  6. Step 6: Final answer
    x = 18,038.36

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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.