Home / 19,031.60-28,547.40-16,122.80

Finding the Fourth Proportional to 19,031.60, 28,547.40 and 16,122.80

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Solution

The fourth proportional to 19,031.60, 28,547.40 and 16,122.80 is: 24,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.60 : 28,547.40 = 16,122.80 : x
  2. Step 2: Convert to fraction form
    19,031.60/28,547.40 = 16,122.80/x
  3. Step 3: Cross multiply
    19,031.60x = 28,547.40 × 16,122.80
  4. Step 4: Simplify right side
    19,031.60x = 460,264,020.72
  5. Step 5: Solve for x
    x = 460,264,020.72/19,031.60
  6. Step 6: Final answer
    x = 24,184.20

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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.