Home / 21,575.07-32,315.85-10,458.50

Finding the Fourth Proportional to 21,575.07, 32,315.85 and 10,458.50

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Solution

The fourth proportional to 21,575.07, 32,315.85 and 10,458.50 is: 15,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.07 : 32,315.85 = 10,458.50 : x
  2. Step 2: Convert to fraction form
    21,575.07/32,315.85 = 10,458.50/x
  3. Step 3: Cross multiply
    21,575.07x = 32,315.85 × 10,458.50
  4. Step 4: Simplify right side
    21,575.07x = 337,975,155.65
  5. Step 5: Solve for x
    x = 337,975,155.65/21,575.07
  6. Step 6: Final answer
    x = 15,665.08

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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.