Home / 21,587.57-32,334.48-10,470.89

Finding the Fourth Proportional to 21,587.57, 32,334.48 and 10,470.89

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Solution

The fourth proportional to 21,587.57, 32,334.48 and 10,470.89 is: 15,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.57 : 32,334.48 = 10,470.89 : x
  2. Step 2: Convert to fraction form
    21,587.57/32,334.48 = 10,470.89/x
  3. Step 3: Cross multiply
    21,587.57x = 32,334.48 × 10,470.89
  4. Step 4: Simplify right side
    21,587.57x = 338,570,864.12
  5. Step 5: Solve for x
    x = 338,570,864.12/21,587.57
  6. Step 6: Final answer
    x = 15,683.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.