Home / 31,567.68-47,357.28-15,780.96

Finding the Fourth Proportional to 31,567.68, 47,357.28 and 15,780.96

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Solution

The fourth proportional to 31,567.68, 47,357.28 and 15,780.96 is: 23,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.68 : 47,357.28 = 15,780.96 : x
  2. Step 2: Convert to fraction form
    31,567.68/47,357.28 = 15,780.96/x
  3. Step 3: Cross multiply
    31,567.68x = 47,357.28 × 15,780.96
  4. Step 4: Simplify right side
    31,567.68x = 747,343,341.39
  5. Step 5: Solve for x
    x = 747,343,341.39/31,567.68
  6. Step 6: Final answer
    x = 23,674.32

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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.