Home / 28,565.86-39,417.15-16,631.32

Finding the Fourth Proportional to 28,565.86, 39,417.15 and 16,631.32

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Solution

The fourth proportional to 28,565.86, 39,417.15 and 16,631.32 is: 22,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.86 : 39,417.15 = 16,631.32 : x
  2. Step 2: Convert to fraction form
    28,565.86/39,417.15 = 16,631.32/x
  3. Step 3: Cross multiply
    28,565.86x = 39,417.15 × 16,631.32
  4. Step 4: Simplify right side
    28,565.86x = 655,559,235.14
  5. Step 5: Solve for x
    x = 655,559,235.14/28,565.86
  6. Step 6: Final answer
    x = 22,949.05

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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.