Home / 28,421.60-42,574.80-16,095.20

Finding the Fourth Proportional to 28,421.60, 42,574.80 and 16,095.20

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Solution

The fourth proportional to 28,421.60, 42,574.80 and 16,095.20 is: 24,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421.60 : 42,574.80 = 16,095.20 : x
  2. Step 2: Convert to fraction form
    28,421.60/42,574.80 = 16,095.20/x
  3. Step 3: Cross multiply
    28,421.60x = 42,574.80 × 16,095.20
  4. Step 4: Simplify right side
    28,421.60x = 685,249,920.96
  5. Step 5: Solve for x
    x = 685,249,920.96/28,421.60
  6. Step 6: Final answer
    x = 24,110.18

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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.