Home / 23,275.90-32,140.14-21,587.50

Finding the Fourth Proportional to 23,275.90, 32,140.14 and 21,587.50

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Solution

The fourth proportional to 23,275.90, 32,140.14 and 21,587.50 is: 29,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.90 : 32,140.14 = 21,587.50 : x
  2. Step 2: Convert to fraction form
    23,275.90/32,140.14 = 21,587.50/x
  3. Step 3: Cross multiply
    23,275.90x = 32,140.14 × 21,587.50
  4. Step 4: Simplify right side
    23,275.90x = 693,825,272.25
  5. Step 5: Solve for x
    x = 693,825,272.25/23,275.90
  6. Step 6: Final answer
    x = 29,808.74

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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.