Home / 28,875.72-39,848.58-16,300.20

Finding the Fourth Proportional to 28,875.72, 39,848.58 and 16,300.20

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Solution

The fourth proportional to 28,875.72, 39,848.58 and 16,300.20 is: 22,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.72 : 39,848.58 = 16,300.20 : x
  2. Step 2: Convert to fraction form
    28,875.72/39,848.58 = 16,300.20/x
  3. Step 3: Cross multiply
    28,875.72x = 39,848.58 × 16,300.20
  4. Step 4: Simplify right side
    28,875.72x = 649,539,823.72
  5. Step 5: Solve for x
    x = 649,539,823.72/28,875.72
  6. Step 6: Final answer
    x = 22,494.32

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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.