Home / 28,501.50-39,330.90-16,564.74

Finding the Fourth Proportional to 28,501.50, 39,330.90 and 16,564.74

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Solution

The fourth proportional to 28,501.50, 39,330.90 and 16,564.74 is: 22,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.50 : 39,330.90 = 16,564.74 : x
  2. Step 2: Convert to fraction form
    28,501.50/39,330.90 = 16,564.74/x
  3. Step 3: Cross multiply
    28,501.50x = 39,330.90 × 16,564.74
  4. Step 4: Simplify right side
    28,501.50x = 651,506,132.47
  5. Step 5: Solve for x
    x = 651,506,132.47/28,501.50
  6. Step 6: Final answer
    x = 22,858.66

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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.